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View Full Version : Help me build a .308 AR-10 style long range platform:UPDATE - pics on page 11!


NorCalAthlete
04-10-2011, 11:51 PM
Ok CalGunners, time for some fun. I'm looking at building an AR-style .308 caliber long range platform for getting into shooting 600-1000 yards. Not worrying about optics just yet, focusing on the build first. My primary initial concern is finding an upper, and then a lower that mates to it. I'm aware there are several lowers available for .308, but have NOT seen many free-floated uppers. I've seen free-floated 5.56/.223 uppers, but not .308. Post links if you can please, and I'll be editing this first post as the parts list grows :D till I have a complete rifle to order. I'm hoping to keep this within a total price of about $2k-$2.5 give or take, and I'm aware that may be difficult, but I'd like to try. If not...well, post the parts and we'll see what I end up with hehehehe. For starters....

Magpul PRS - http://store.magpul.com/product/MAG308/84
Basic AR-10 pistol grip - Long Link (http://www.amazon.com/Falcon-Industries-AR-10-Large-Frame/dp/B0048HH4OQ/ref=sr_1_22?ie=UTF8&qid=1302507914&sr=8-22)
POF Piston free-floated barrel complete upper - http://www.pof-usa.com/upper/upper308-20.htm

I'd like to find a cheaper piston free float upper...

Oh and additional requirements for the upper - 20"-22" barrel. I have a carbine in 5.56 already, this .308 build will be for 600-1000 yards and I want the extra accuracy without it becoming a broomstick handle. Thanks for the help in advance!

7.62 Charlie
04-10-2011, 11:57 PM
Fulton Armory has some good rifles.
They even have an option to have a bullet button installed.

http://fulton-armory.com/FAR-308-Rifles.aspx

osis32
04-10-2011, 11:58 PM
from what I understand a piston driven ar is bad for accuracy due to forces causing barrel flex during cycling. so from my understanding the two things dont exactly go hand in hand. also it depends on the lower armalite vs dpms pattern which dictates what kind of upper you can get. I think lwrc makes a .308 piston upper and a couple more I cant remember off the top of my head.

NorCalAthlete
04-11-2011, 12:12 AM
from what I understand a piston driven ar is bad for accuracy due to forces causing barrel flex during cycling. so from my understanding the two things dont exactly go hand in hand. also it depends on the lower armalite vs dpms pattern which dictates what kind of upper you can get. I think lwrc makes a .308 piston upper and a couple more I cant remember off the top of my head.

?? Any specifics on that? Articles? Links? Not being confrontational just curious to educate myself. I was under the impression free-floating the barrel improved accuracy at long ranges, haven't heard anything about pistons decreasing accuracy on free-floated barrels. Also, while LWRC does make a .308 piston upper, it's nearly $2500 just by itself let alone the rest of the rifle. The one I linked is only $2,000, though without a free-float barrel. Ideally, something like the Adcor BEAR but 20" instead of 16" and for .308 instead of 5.56. I could also care less about the forward charging handle...but that's irrelevant at the moment.

7.62 Charlie
04-11-2011, 12:20 AM
this may help
http://www.calguns.net/calgunforum/showthread.php?t=265677

ke6guj
04-11-2011, 12:21 AM
Fulton Armory has some good rifles.
They even have an option to have a bullet button installed.

http://fulton-armory.com/FAR-308-Rifles.aspx

what a difference from the early days when Fulton cancelled an order of lowers that were in transit to 10%. He put a recall on the shipment and told 10% that if they got delivered by mistake and Wes didn't return them that he would file a stolen property report with the authorities.

osis32
04-11-2011, 12:24 AM
the adcor bear eliminates the flex on the barrel by putting the piston system on the rail independent on the barrel. this means that the rail is taking the force of the piston movement instead of the barrel. the gas block in the pof vents the gas from the barrel gas hole into the piston system is connected to the barrel if Im not mistaken. Im not sure adcor makes it for .308 or not either.

7.62 Charlie
04-11-2011, 12:27 AM
what a difference from the early days when Fulton cancelled an order of lowers that were in transit to 10%. He put a recall on the shipment and told 10% that if they got delivered by mistake and Wes didn't return them that he would file a stolen property report with the authorities.

I remember they used to not sell to california but nothing like that.
That is pretty bad.

osis32
04-11-2011, 12:39 AM
for that price you might wanna look into a scar 17. it was designed to be piston. also robinson arms is coming out with a .308 eventually. theres also a company that makes updated FALs with rails and set up for glass.

7.62 Charlie
04-11-2011, 12:52 AM
for that price you might wanna look into a scar 17. it was designed to be piston. also robinson arms is coming out with a .308 eventually. theres also a company that makes updated FALs with rails and set up for glass.

Are you thinking of DS Arms?

NorCalAthlete
04-11-2011, 12:55 AM
for that price you might wanna look into a scar 17. it was designed to be piston. also robinson arms is coming out with a .308 eventually. theres also a company that makes updated FALs with rails and set up for glass.

Checked the pricing on a SCAR 17 @ The Gun Room (Elk Grove), they're listing it at $3200. Even with the $2000 upper I listed, I can get a $300 lower+ that magpul stock+ $100 parts kit and come in $600 under that.

7.62 Charlie
04-11-2011, 12:58 AM
Checked the pricing on a SCAR 17 @ The Gun Room (Elk Grove), they're listing it at $3200. Even with the $2000 upper I listed, I can get a $300 lower+ that magpul stock+ $100 parts kit and come in $600 under that.

Only other gun i could think of to get is a M1A

7.62 Charlie
04-11-2011, 1:08 AM
308 ar's have proprietary uppers and lowers.
So if you get a POF lower you have to get a POF upper

EDIT: Nevermind I was wrong

NorCalAthlete
04-11-2011, 1:09 AM
Nah. I already have a Remington 700 VTR for a bolt action .308. I want a semi-auto one with a longer barrel now. The price limit isn't really THAT concrete, but I'd like to stay as low as possible on it while still getting the free floated barrel and piston system. Or maybe just have to look into a different stock with recoil springs or something. Not a big fan of bruised shoulders from lots of shooting, though admittedly it's more shotgun than rifle these days.

edit - @ 7.62 Charlie - I thought as long as it was "ar10 style upper w/ ar10 style lower" / "DPMS upper w/ DPMS style lower" it was ok? For example the CMMG lower w/ DPMS upper?

7.62 Charlie
04-11-2011, 1:24 AM
Im not 100% on what lowers fit what uppers.
Im just saying you cant put any upper on any lower like an ar-15.
Maybe someone who knows more about 308 ar's can help you out.

dicast
04-11-2011, 1:27 AM
Check this out. http://www.rainierarms.com/?page=shop/detail&product_id=2583
Got the MEGA MA-TEN 308 Monolithic Upper & Lower Combo in ten days holding. With this set you don't have to worry about what fit what. They actually hand fitted them. I think this is one of the best combo available at the moment.

This was the link i tried to post http://www.calguns.net/calgunforum/showthread.php?t=409995

7.62 Charlie
04-11-2011, 1:31 AM
check this out. http://www.calguns.net/calgunforum/showthread.php?t=419614
Got the MEGA MA-TEN 308 Monolithic Upper & Lower Combo in ten days holding. I think this is one of the best combo available at the moment.

thats a link to this thread. lol

supersonic
04-11-2011, 2:41 AM
I am another that would definitely advise against getting a piston-driven .308 if you are really looking at doing long range precision work with it. Also, I'm an original ArmaLite guy, and you really will get the most out of a long-range .308 S/A with the AR-10. Here is one of the best:

http://www.armalite.com/ItemForm.aspx?item=10TBNF&ReturnUrl=Categories.aspx?Category=f4bd4a13-55d1-41aa-aea0-49488ec48776

And here is the best, although very pricey:

http://www.armalite.com/ItemForm.aspx?item=10SBF&ReturnUrl=Categories.aspx?Category=f4bd4a13-55d1-41aa-aea0-49488ec48776

Of course, you'll have to buy the lower receiver separately (AR-10 lowers are on the AW list), and this one is manufactured by the same guys anyway:

http://www.ar15.com/forums/topic.html?b=7&f=120&t=754605

Mute
04-11-2011, 6:36 AM
I don't know if it's possible to make the budget with a piston drive .308 AR based on your needs. Piston will cost more and if you want a precision rig, going cheap on the other parts isn't going to help. I'd stick with a DI system to make it easier to make your budget.

The Director
04-11-2011, 8:03 AM
308 ar's have proprietary uppers and lowers.
So if you get a POF lower you have to get a POF upper

Not true.

I have a POF .308 lower and a Fulton Armry 20" match grade upper. They fit together perfectly. POF and Fulton are made to DPMS pattern so they take Pmags and other compatible DPMS bits.

Armalite AR-10 is the other pattern, and mags are a bit harder to come by.

This .308 AR of mine is an absolute tack driver and a bad azz rifle. It gets right around .5 MOA.

I love this thing.

My setup is:

Fulton Titan .308 upper, 20" match grade barrel (Direct Impingement! No piston crap!)
POF .308 lower with built in ambi bolt catch
Harris bipod
Magpul PRS stock
Geiselle SSA trigger
Tango Down pistol grip with mushroom base plate to rest your hand on

No optics on it right now and no BUIS because I just sold the scope and mount....I am upgrading the glass on it to something a little more powerful now that I see what this thing can do.

rero360
04-11-2011, 8:06 AM
You want a precision AR10? call GAP and have them build you one, it'll be more accurate than you are.

osis32
04-11-2011, 8:27 AM
Hmm I thought the scar 17 was around 2700. And yes I meant the ds arms fal. A match grade m1a would work too. God I'd love one of those with an ebr stock.

supersonic
04-11-2011, 9:25 AM
You want a precision AR10? call GAP and have them build you one, it'll be more accurate than you are.

Very true. They not only build on the actual ArmaLite AR-10, but ArmaLite actually endorses their great work. Again, we're talking some high-dollar stuff being done here, though. Just as a fact about the true AR-10's, the AR-10T's are guaranteed sub-MOA accuracy (they also have a LIFETIME warranty, as do all ArmaLite rifles, which says a LOT). Well, my 16" A4 Carbine shot 1/2" groups @ 100 yards using military surplus (Lithuanian) 7.62mm ammo. I think it's fair to say that the free-floated, 20", match-grade factory barrel will whipass on that. And these are STOCK ArmaLites I am talking about.

hlcarbine
04-11-2011, 9:51 AM
I started my build about a month ago and decided to go without the piston system. I'm still not sure about the barrel and length but my lower is complete and plan on putting together the upper. I got the JD machine AR 308 platform with the Magpul PRS stock and DONT FORGET about the TIMMENEY Trigger!
I was told that the most important part about shooting 1000 yards is the barrel, bolt and then the optics. Of course I went above budget just like any other build but at least I know it was done the way I wanted it.
Hopefully you will stay within budget better than I can

StudioDison
04-11-2011, 10:02 AM
Mine.
Tactical Machining
Lower: http://www.tacticalmachining.com/store/display-products.php?cid=45
Upper: Fulton Armory. http://fulton-armory.com/
with the side cocking handle mod.

7.62 Charlie
04-11-2011, 1:04 PM
Not true.

I have a POF .308 lower and a Fulton Armry 20" match grade upper. They fit together perfectly. POF and Fulton are made to DPMS pattern so they take Pmags and other compatible DPMS bits.

Armalite AR-10 is the other pattern, and mags are a bit harder to come by.

This .308 AR of mine is an absolute tack driver and a bad azz rifle. It gets right around .5 MOA.

I love this thing.

My setup is:

Fulton Titan .308 upper, 20" match grade barrel (Direct Impingement! No piston crap!)
POF .308 lower with built in ambi bolt catch
Harris bipod
Magpul PRS stock
Geiselle SSA trigger
Tango Down pistol grip with mushroom base plate to rest your hand on

No optics on it right now and no BUIS because I just sold the scope and mount....I am upgrading the glass on it to something a little more powerful now that I see what this thing can do.

Thanks for clearing that up

Jpsfirstresponse
04-11-2011, 1:18 PM
Personally the rock river arms .308 is by far the best and you can see a ton of you tube videos of owners who have tested many brands and it's by far one if the best. You can order the lower from direct action solutions in solana beach ca an they will put the bullet button on it to for no add charge just the price of the part. You can order the lower there to or you can order it direct from the manufacturer. Check out videos is it ad testimonials.

TMC
04-11-2011, 1:32 PM
Are you set on .308 for some reason or do you want the best long range AR-10 platform? If you want the best long range accuracy for killing paper build it in .260

rareair
04-11-2011, 2:20 PM
First decide which manufacturer you want to go with regarding your receivers. This will dictate which parts you'll ultimately have to choose from

Here's my build so far:
JD Machine Billet receivers
MagPul PRS
MagPul 10/20 mag
Ergo grip w/ palm shelf
Geiselle SSA trigger
BCM charging handle
Rainier Arms' BCG, Chrome & Phosphate coated
Troy Industries TRX rail (on order)
http://i151.photobucket.com/albums/s146/RareAirResto/Armory/DSC_2108Large.jpg

I'm still undecided on the barrel. But I've narrowed it down to either a Fulton Armory 22" S/S or a Blackhole Weaponry 24" S/S fluted

Optics will either be a Leupold Mark IV or a NightForce NXS

rareair
04-11-2011, 2:23 PM
308 ar's have proprietary uppers and lowers.
So if you get a POF lower you have to get a POF upper

Incorrect. I've seen several shooters that have POF lowers mated to different manufactured uppers, and vice versa.

POF uppers will mate to any DPMS compatible lowers

D.carden
04-11-2011, 2:44 PM
Are you set on .308 for some reason or do you want the best long range AR-10 platform? If you want the best long range accuracy for killing paper build it in .260

I went this route...... .260rem ....
This rifle proved itself out to 700yds at the Ironman a few yrs back....The BC on the .260 is significantly better than a .308......

Dpms upper w/24" bull barrel 1/7.5 twist
Fulton lower
JP trigger
JP adjustable gas block
MSTN brake
Leupold Mark IV 6.5x20
no fancy furniture
Butt stock is filled with bb's making it weigh in at 17lbs......(recoil mangement).ya i'm a game'r....

NorCalAthlete
04-11-2011, 3:00 PM
Are you set on .308 for some reason or do you want the best long range AR-10 platform? If you want the best long range accuracy for killing paper build it in .260

Mainly want .308 because I already have the Remington in .308, and because several friends and relatives have .308s so it's a "common ammo type" thing for me rather than a BC issue.

First decide which manufacturer you want to go with regarding your receivers. This will dictate which parts you'll ultimately have to choose from

Here's my build so far:
JD Machine Billet receivers
MagPul PRS
MagPul 10/20 mag
Ergo grip w/ palm shelf
Geiselle SSA trigger
BCM charging handle
Rainier Arms' BCG, Chrome & Phosphate coated
Troy Industries TRX rail (on order)
http://i151.photobucket.com/albums/s146/RareAirResto/Armory/DSC_2108Large.jpg

I'm still undecided on the barrel. But I've narrowed it down to either a Fulton Armory 22" S/S or a Blackhole Weaponry 24" S/S fluted

Optics will either be a Leupold Mark IV or a NightForce NXS

:drool that's shmexy. Do want.

7.62 Charlie
04-11-2011, 3:42 PM
Incorrect. I've seen several shooters that have POF lowers mated to different manufactured uppers, and vice versa.

POF uppers will mate to any DPMS compatible lowers

I realize that now. The Director already pointed out that i was wrong

supersonic
04-11-2011, 3:55 PM
Personally the rock river arms .308 is by far the best and you can see a ton of you tube videos of owners who have tested many brands and it's by far one if the best.

Sounds like confusion & little (if any?) personal experience here. Just basing conclusion on YT videos.:sleeping:

pyro3k2
04-11-2011, 4:24 PM
Either pattern you choose (DPMS/Armalite) there are manf now a days that make match grade upper to reach out to the ranges you are asking for, just get which ever pattern is cheaper. When it comes to long range/precision shooting the lesson i've learned is factor your scope into your budget. You can have a .408 cheytec but if you put a 50 dollar barska scope ontop of it you might as well use it as a paper weight. Am I saying buy this http://swfa.com/Zeiss-6-24x72-SAM-Tactical-Hensoldt-Telescopic-34mm-Sight-P41082.aspxjust because price must = quality, no. In this case a rifle is only as good as the scope you put on it. I would suggest going the DPMS pattern for cost. Get a 24" bull barrel with a target crown, free float that mofo and spend the rest of your money on a trigger. When you feel as if your rifle is holding you back and not the other way around switch the barrel to a match one.
upper's for cheap: http://www.rguns.net/rifles/rifles-semiauto-ar15-uppers-308.shtml
the absolute cheapest to go on an optic: http://swfa.com/SWFA-SS-10x42-Tactical-Riflescope-P499.aspx
Good single stage trigger:http://www.midwayusa.com/viewProduct/default.aspx?productNumber=564523
Double stage: http://www.midwayusa.com/viewProduct/default.aspx?productNumber=247530

I would suggest against the magpul stock, I've personally owned one so this is from 1st hand experience. What you gain over the traditional A2 stock is not worth the price tag, save your money and use it towards reloading gear or a better scope.

Bete Noire
04-11-2011, 4:52 PM
I'm partial to my Larue Tactical OBR .308. They use 1/11.25 twist rate stainless barrels by Lothar Walther. Free floated. Have 20MOA built into the monolithic rail. Uses Magpul LR308 mags.

I would also look into the Lewis Machine and Tool version.

five.five-six
04-11-2011, 4:55 PM
everything about .308 ARs great .... except feeding them :p

supersonic
04-11-2011, 5:23 PM
And so it goes.....and will go forever and as long as there are people with different opinions. Everyone is going to give a different take on this (and everything else firearm-related). Some of these opinions come from experience. Most come from very little-to-none. That's just the way it is. Might I suggest being extremely patient (I know, it's hard when you want that baby and the cash **or credit card** is burning a hole in your pocket) and take your time networking and finding people at your local range that are actually shooting these rifles. Offer them something (either some ammo, a few shots on whatever you happen to be shooting) to let you try out that rifle. It will be SO worth it in the end. It is how I did it, and I never stopped thanking myself.;)

NorCalAthlete
04-11-2011, 6:28 PM
;) I've already shot one with the magpul stock and everything (though only at 50 yards) and loved it...

As for optics, I have a Leupold Mk IV 10x40 waiting to go on it, though I may swap that for a different one depending on how I feel. So the tentative budget is JUST for the rifle. Btw - by all means if you guys have suggestions for triggers, charging handles, whatever that you liked / think is worth getting - PLEASE post links I'm loving all the ideas getting tossed around in here. I'm well aware everyone has their preferences but that's the whole point of this thread, to plan out a build and bounce ideas off each other. I'm in no particular rush, but be assured there WILL be pics posted and constant updates when I start building. Right now it's in the window shopping phase. Also I got an email back from Adcor- their .308 free floated piston upper will be available this winter. I replied with a request for a price estimate and more concrete date :D

Mute
04-11-2011, 6:40 PM
The two primary parts that are going to have the greatest effect on the accuracy of your AR will be the barrel and the trigger. Spend your money on these two parts and you might be able to spend a little less on some of the other components. Make sure you have a free float hand guard or rail system.

As supersonic suggested, your best bet is to get behind a few rifles to get an idea of what you do or do not like.

Fjold
04-11-2011, 7:02 PM
Mainly want .308 because I already have the Remington in .308, and because several friends and relatives have .308s so it's a "common ammo type" thing for me rather than a BC issue.


"Common ammo" is not the way to choose a cartridge. The odds that the same ammo that you use for your bolt gun will be the best choice for your semiauto rifle is pretty small. Even using the same components may or may not work to get the best performance in different guns.

NorCalAthlete
04-11-2011, 7:16 PM
"Common ammo" is not the way to choose a cartridge. The odds that the same ammo that you use for your bolt gun will be the best choice for your semiauto rifle is pretty small. Even using the same components may or may not work to get the best erformance in different guns.

How so? Edumuhcate me on ammo choice for bolt action vs semi auto here...I know types of ammo make a difference at range but didn't realize it made that much of a difference from semi-auto to bolt?

7.62 Charlie
04-11-2011, 7:37 PM
How so? Edumuhcate me on ammo choice for bolt action vs semi auto here...I know types of ammo make a difference at range but didn't realize it made that much of a difference from semi-auto to bolt?

Different guns are accurate with different ammo.
You have to figure out what ammo is most accurate in that gun.

pyro3k2
04-11-2011, 7:49 PM
You need to stay as far away from a piston on your AR as much as possible, simply too much flex for a precision rifle. If you want a piston driven .308 get an M1a or an FAL, or if you have a lot of gun snob friends get into the HK series. If you are indeed planning on 1k yards DI is the way to go.

As for compairing Bolt to semi-auto, even in the same calibur there are going to be elements that don't work well. Hopefully some one smarter than I will come along with some data links. BTW im not trying to sound like an *** hole, just going to ask this to give you some food for thought to hopefully get you in the right direction for your needs. Whats the farthest you've taken your rifles out to and can you consistantly produce nice groups?

NorCalAthlete
04-11-2011, 8:15 PM
You need to stay as far away from a piston on your AR as much as possible, simply too much flex for a precision rifle. If you want a piston driven .308 get an M1a or an FAL, or if you have a lot of gun snob friends get into the HK series. If you are indeed planning on 1k yards DI is the way to go.

As for compairing Bolt to semi-auto, even in the same calibur there are going to be elements that don't work well. Hopefully some one smarter than I will come along with some data links. BTW im not trying to sound like an *** hole, just going to ask this to give you some food for thought to hopefully get you in the right direction for your needs. Whats the farthest you've taken your rifles out to and can you consistantly produce nice groups?

Furthest I've shot is 300 yards iron sights with an M16 while I was in boot camp...but I had dead on single ragged hole groupings with it. Scoped I've only shot out to 100 yards with my Remington 700 and AR15/ACOG, but I can produce consistently tight groups with those as well. Hence why I want to get into further distances and really test myself/learn the skills. I know I can shoot, but can I compensate/calculate/adjust on the fly and still hit the target at that range is what I want to ask myself. Sucks there's so few long ranges around for that...but it doesn't kill the urge to shoot those ranges any :D. BTW - as for the multiple posts on barrel flex from a piston - doesn't a free float barrel eliminate that problem??? If the piston's attached to the rail....and nothing's touching the barrel...how is it still forcing it to flex more than a DI system would? I'm confused on that.

pyro3k2
04-11-2011, 8:27 PM
Furthest I've shot is 300 yards iron sights with an M16 while I was in boot camp...but I had dead on single ragged hole groupings with it. Scoped I've only shot out to 100 yards with my Remington 700 and AR15/ACOG, but I can produce consistently tight groups with those as well. Hence why I want to get into further distances and really test myself/learn the skills. I know I can shoot, but can I compensate/calculate/adjust on the fly and still hit the target at that range is what I want to ask myself. Sucks there's so few long ranges around for that...but it doesn't kill the urge to shoot those ranges any :D. BTW - as for the multiple posts on barrel flex from a piston - doesn't a free float barrel eliminate that problem??? If the piston's attached to the rail....and nothing's touching the barrel...how is it still forcing it to flex more than a DI system would? I'm confused on that.

no no no no, the free float rail makes sure that the handguard doesn't come into contact with the firearm except at the barrel nut. A piston system will need the piston housing either clamped or pinned on to the barrel itself, no other way around that, like so
http://dynamicarmament.com/images/LMTPISTON/LMT16GPCONVERSIONKIT.jpg

Whats the farthest range you have access to? Personally I would try your remington 700 out to long ranges first since learning on a bolt gun will be easier than a semi-auto. There is just something about having to cycle the action by hand that makes me a better shooter :D. And all the while you are using bolt you can piece together that AR-10 pattern and know exactly what you need in your rifle for that 1k shot.

NorCalAthlete
04-11-2011, 8:54 PM
http://www.adcorindustries.com/defense/weapons.asp

The new top portion of the rifle includes a gas-driven piston incorporated into the upper half of the forward rail system. The system does not touch the barrel.

:shrug:

Are they the only ones who do it like this then? If so, that kinda sucks, cause they're not coming out with a .308 or anything other than 5.56 till later this year. How does DI vs the above listed piston sound/compare?

edit - thanks for clarifying though I didn't realize that was the way the piston attached.


Whats the farthest range you have access to? Personally I would try your remington 700 out to long ranges first since learning on a bolt gun will be easier than a semi-auto. There is just something about having to cycle the action by hand that makes me a better shooter :D. And all the while you are using bolt you can piece together that AR-10 pattern and know exactly what you need in your rifle for that 1k shot.

Closest one I know of is Sac Valley. I'm located in San Mateo/Foster City though so if anyone knows of any ranges closer to me that go out to anything beyond 100 by all means please let me know and let's go shoot :D

StudioDison
04-11-2011, 9:37 PM
308 ar's have proprietary uppers and lowers.
So if you get a POF lower you have to get a POF upper

Rock River Arms

osis32
04-11-2011, 11:08 PM
As far as I know adcor is the only company with a design like that. I was trying to explain it last night. I was tired sorry I wasn't terribly helpful.

osis32
04-11-2011, 11:11 PM
When I get my lr 308 at the end of the month I'll be taking it to chabot you can try it out. It's only 18"with a ubr but you can see what you think.

7.62 Charlie
04-11-2011, 11:12 PM
As far as I know adcor is the only company with a design like that. I was trying to explain it last night. I was tired sorry I wasn't terribly helpful.

I don't think I was very helpful either :)

NorCalAthlete
04-11-2011, 11:19 PM
No worries guys I appreciate all the input, never thought this thread would get this many replies this quickly :). Where's Chabot range? If it's not too far I'm down for some shooting, I'll bring my AR and Remington. Too bad Adcor's the only ones so far.

On a related note, what about some good DI free-floated uppers then? I'd imagine going DI instead of piston will keep cost down quite a bit as well?

thrillhouse700
04-11-2011, 11:30 PM
You can build a very nice DI free float upper. Lots of companies now making free floats for the lr308 platform.

JD machine
Troy
Badger
Rainier
DPMS
JP
there's more I am just tired and cant think right now.

7.62 Charlie
04-11-2011, 11:35 PM
No worries guys I appreciate all the input, never thought this thread would get this many replies this quickly :). Where's Chabot range? If it's not too far I'm down for some shooting, I'll bring my AR and Remington. Too bad Adcor's the only ones so far.

On a related note, what about some good DI free-floated uppers then? I'd imagine going DI instead of piston will keep cost down quite a bit as well?

http://fulton-armory.com/titanupperreceiverassemblies.aspx

http://www.dpmsinc.com/store/?cat=1607

http://www.dpmsinc.com/store/?cat=1939

Hope that helps:D

osis32
04-12-2011, 12:37 AM
No worries guys I appreciate all the input, never thought this thread would get this many replies this quickly :). Where's Chabot range? If it's not too far I'm down for some shooting, I'll bring my AR and Remington. Too bad Adcor's the only ones so far.

On a related note, what about some good DI free-floated uppers then? I'd imagine going DI instead of piston will keep cost down quite a bit as well?

chabot is in the chabot park in oakland. its a really nice drive and a great range. its only 100 yards but I dont know anywhere close that has anything over 100. sac has some long range stuff but thats a little too far for me for shooting. Id spend more time driving than shooting and I could use the gas money. rguns apparently not the most reputable supplier has the best prices on lr 308 uppers. I got mine for dealer pricing from the classifieds here. when I do hit chabot I plan to bring a couple ars my msar and an lr 308.

osis32
04-12-2011, 12:42 AM
http://www.rguns.net/rifles/rifles-semiauto-ar15-uppers-308.shtml

my friend got his upper from them. they have the best prices Ive seen. they have good prices on 24" bull barreled uppers.

D.carden
04-12-2011, 4:52 AM
How so? Edumuhcate me on ammo choice for bolt action vs semi auto here...I know types of ammo make a difference at range but didn't realize it made that much of a difference from semi-auto to bolt?

If your loading your own ammo, a bolt gun load can be "dialed" in with more precision. You can play with cartridge OAL to see what works best, touching the lands or a few thou from them. And neck tension is not as critical for bullet retention. Also, can get by with just neck sizing if your only using the brass in "that" rifle....
An auto requires FL sizing each time and has a max OAL so it will fit in the mag. Neck tension should be tighter as to not allow bullet movement while cycling (i prefer neck tension vs. a crimp). Also, there are bullets out there that are not recommended (depending on caliber) for use in auto's because they are too long and have to seat too far in the case for mag fed rifles, which can drive-up pressures....Hope this helps...!!!!

supersonic
04-12-2011, 6:07 AM
You need to stay as far away from a piston on your AR as much as possible, simply too much flex for a precision rifle. If you want a piston driven .308 get an M1a or an FAL, or if you have a lot of gun snob friends get into the HK series. If you are indeed planning on 1k yards DI is the way to go.

The above ^^^ is just a simple fact. It is what it is. And to the OP: you would be doing yourself a favor by placing your location in your profile (so that it shows up in all your posts) because anyone that comes by this thread (that happens to have a rifle for you to try & they live nearby) would very possibly chime in, or send you a PM. Without any sign of where you are, you may lose many opportunities that may have otherwise presented themselves.;)

The Director
04-12-2011, 7:46 AM
? I'd imagine going DI instead of piston will keep cost down quite a bit as well?

Not necessarily. The best DI uppers cost just as much or more as piston uppers. This isn't a cost thing, it's a performance thing, and if you want the best upper for long range work you'll buy a DI upper since they are inherently more accurate.

NorCalAthlete
04-12-2011, 9:20 AM
My bad, thought I'd included the location.

@ D.Carden - nope, no reloading for me yet. Once I get my own place and stop living in an apartment then yeah I'll start reloading, but at the moment I just don't have the time or space for it so it's factory bought ammo for me.

NorCalAthlete
04-13-2011, 10:07 AM
http://fulton-armory.com/titanupperreceiverassemblies.aspx

http://www.dpmsinc.com/store/?cat=1607

http://www.dpmsinc.com/store/?cat=1939

Hope that helps:D

Definitely :D I like the DPMS stuff...

You can build a very nice DI free float upper. Lots of companies now making free floats for the lr308 platform.

JD machine
Troy
Badger
Rainier
DPMS
JP
there's more I am just tired and cant think right now.

Couldn't find uppers on JD, Troy, or Badger's sites...and only complete rifles on JP's (though they're pretty sweet looking :) )

Lower vs Lower : CMMG vs TM?
ttp://www.tacticalmachining.com/store/products.php?pid=114

vs

http://www.riflegear.com/p-553-cmmg-billet-308-lower-receiver-dpms-compatible.aspx

??? what justifies a $100+ price difference?

7.62 Charlie
04-13-2011, 12:41 PM
??? what justifies a $100+ price difference?

I don't know. The anodizing maybe?

thrillhouse700
04-13-2011, 1:12 PM
Definitely :D I like the DPMS stuff...



Couldn't find uppers on JD, Troy, or Badger's sites...and only complete rifles on JP's (though they're pretty sweet looking :) )

Lower vs Lower : CMMG vs TM?
ttp://www.tacticalmachining.com/store/products.php?pid=114

vs

http://www.riflegear.com/p-553-cmmg-billet-308-lower-receiver-dpms-compatible.aspx

??? what justifies a $100+ price difference?

What i suggested was not the complete upper just who makes freefloat tubes for the lr308 platform.

pyro3k2
04-13-2011, 2:14 PM
Definitely :D I like the DPMS stuff...



Couldn't find uppers on JD, Troy, or Badger's sites...and only complete rifles on JP's (though they're pretty sweet looking :) )

Lower vs Lower : CMMG vs TM?
ttp://www.tacticalmachining.com/store/products.php?pid=114

vs

http://www.riflegear.com/p-553-cmmg-billet-308-lower-receiver-dpms-compatible.aspx

??? what justifies a $100+ price difference?

That was the lower I used on my .308Ar you have to see one in person to appreciate it, they put a lot of machine time on each one. CMMG normally produces good lowers but this one has a lot more attention to detail and is just down right pretty. It's like going cheap and getting a bland lower or spending the extra money to get something like thishttp://www.rainierarms.com/img/shop/product/978b0ff4b5a1e1751efc06718be4ec9c.jpg will they both do the same thing? yes but one does look and feel better than another.

NorCalAthlete
04-14-2011, 10:50 AM
That was the lower I used on my .308Ar you have to see one in person to appreciate it, they put a lot of machine time on each one. CMMG normally produces good lowers but this one has a lot more attention to detail and is just down right pretty. It's like going cheap and getting a bland lower or spending the extra money to get something like thishttp://www.rainierarms.com/img/shop/product/978b0ff4b5a1e1751efc06718be4ec9c.jpg will they both do the same thing? yes but one does look and feel better than another.

Gotcha. That's a pretty sexy lower right there...is that .308 as well? *goes off to explore rainier's site*

pyro3k2
04-14-2011, 2:04 PM
Gotcha. That's a pretty sexy lower right there...is that .308 as well? *goes off to explore rainier's site*

no thats a .223 lower

NorCalAthlete
04-14-2011, 8:04 PM
no thats a .223 lower

Hmmm bummer. You guys do have a a point with the aesthetics of the lower and quality of it. I mean ****...when you're about to spend $2k-2500 or even more on a rifle, what's $100 more for a sexier lower receiver? :chris:

edit : on that note, if I were to get a CMMG lower but wanted something else engraved on the side instead of the CMMG logo, who/where can I get that done? Similarly to the Strike lowers with pirate/punisher/etc engravings, but they don't do them on .308 lowers from what I can see.

bomb_on_bus
04-14-2011, 8:18 PM
http://i391.photobucket.com/albums/oo351/dasulenski/pof308.jpg


POF .308 rifle with 20 inch barrel.
Leupold mk4 3.5-10x
Ad Recon scope mount.
CAA G27 grip.
Magpul .308 stock.
Magpul rear flip up buis.
Vltor Modpod.

pyro3k2
04-14-2011, 8:26 PM
Hmmm bummer. You guys do have a a point with the aesthetics of the lower and quality of it. I mean ****...when you're about to spend $2k-2500 or even more on a rifle, what's $100 more for a sexier lower receiver? :chris:

edit : on that note, if I were to get a CMMG lower but wanted something else engraved on the side instead of the CMMG logo, who/where can I get that done? Similarly to the Strike lowers with pirate/punisher/etc engravings, but they don't do them on .308 lowers from what I can see.

Could try and give CMMG a call they have great customer service and you will be treated well. If they are unable to do anything for ou JD machine makes a few .308 lowers with special engravings on the sides, or Mega.

NorCalAthlete
05-15-2011, 10:06 PM
After a hell of a lot of window shopping (aka research and emailing back and forth with manufacturers) it looks like the LWRC REPR has everything I want in a piston .308 build, for a (comparable) fraction more of the price of a build and far less hassle.

On the other hand, I now have a few more features I'd like in the rifle, and started building a DI version as a possible 2nd simultaneous purchase...BRD is kicking in hehehehe.

Additional features I'd like :
Forward Charging handle on the left side - the REPR's is perfect, just at the forefront of the upper receiver but before the barrel starts.
Ambidextrous bolt catch/release - combined with the forward charging handle, makes clearing any possible jams and reloading a breeze. (yeah yeah, maglock/bullet button issues aside, I do travel out of state from time to time).

Found this lower that has the feature, other than that I haven't seen any but the REPR with it : https://www.axtsweapons.com/products/AX762

Next question for you gurus who have been extremely helpful so far - what're your recommendations for DI upper receivers? Preferably with that additional forward charging handle...:D

osis32
05-15-2011, 11:18 PM
damn youre dropping coin. I just got my tm 10 lower from SBR friday along with my msar. the offer to shoot my DI 308 still stands.

pyro3k2
05-15-2011, 11:26 PM
After a hell of a lot of window shopping (aka research and emailing back and forth with manufacturers) it looks like the LWRC REPR has everything I want in a piston .308 build, for a (comparable) fraction more of the price of a build and far less hassle.

On the other hand, I now have a few more features I'd like in the rifle, and started building a DI version as a possible 2nd simultaneous purchase...BRD is kicking in hehehehe.

Additional features I'd like :
Forward Charging handle on the left side - the REPR's is perfect, just at the forefront of the upper receiver but before the barrel starts.
Ambidextrous bolt catch/release - combined with the forward charging handle, makes clearing any possible jams and reloading a breeze. (yeah yeah, maglock/bullet button issues aside, I do travel out of state from time to time).

Found this lower that has the feature, other than that I haven't seen any but the REPR with it : https://www.axtsweapons.com/products/AX762

Next question for you gurus who have been extremely helpful so far - what're your recommendations for DI upper receivers? Preferably with that additional forward charging handle...:D

If you have your heart set on the REPR then who am I say other wise. But what I will try to talk you out of is that 2nd build, you need to put that kind of money towards a scope. You can't just put a 20 dollar scope on a REPR, I think chuck norris round house kicks a baby everytime that happens. Scratch that 2nd build and look into scopes/mounts.

NorCalAthlete
05-15-2011, 11:31 PM
If you have your heart set on the REPR then who am I say other wise. But what I will try to talk you out of is that 2nd build, you need to put that kind of money towards a scope. You can't just put a 20 dollar scope on a REPR, I think chuck norris round house kicks a baby everytime that happens. Scratch that 2nd build and look into scopes/mounts.

Oh no worries, I hate that too. I'm planning on a Trijicon Accupoint 5-20x50 (http://www.amazon.com/Accupoint-Mil-Dot-Crosshair-Riflescope-Amber/dp/B001QT3WWC/ref=sr_1_1?ie=UTF8&s=electronics&qid=1305531024&sr=8-1) for the REPR...we'll see how it works out. I have a Leupold Mk4 10x40 fixed power on my Remington 700 that I may swap over to the DI build and sell the Remington to my brother.

Edit - depending on pricing and stuff, I may get the DI version first, REPR later, but I'd still like those same features I mentioned in both. I'm waiting on some $$$ that's long overdue to me...

edit #2 - Anyone have a REPR I can play with before I drop the $$$$ on one? :D

NorCalAthlete
05-17-2011, 6:48 PM
Bump for something else I remembered to ask - anyone know exactly what prevents a REPR upper from mating to, say, a CMMG lower? Or a DPMS lower? etc? Their website lists some "proprietary system" as the reason but it all looks identical to other uppers as far as mating up to a lower from what I can tell.

a1fabweld
05-17-2011, 7:13 PM
From my experience shooting 1K matches, only 2 guys have I seen run semi autos. One was a genuine HK91 & the other was a long barreled 6.5 Grendel. Both using handloads. The guy with the HK ran out of steam at around 800yds from his 18" barrel. The 6.5 Grendel guy wasn't very consistent after 800yds either. How hot can you load for a semi auto aluminum receiver before things get dangerous? How much pressure will you lose through your gas system (decrease velocity)? Do you reload? More than likely, factory match ammo isn't going to get your .308 AR past 800yds. Just some things to think about in your long range adventure. The .260 or .243 may be better caliber choices to consider.

emy
05-17-2011, 10:14 PM
This is my friends home built http://a4.sphotos.ak.fbcdn.net/hphotos-ak-ash4/223313_206186636086966_100000868943084_521818_3429 992_n.jpg

NorCalAthlete
05-18-2011, 7:44 PM
From my experience shooting 1K matches, only 2 guys have I seen run semi autos. One was a genuine HK91 & the other was a long barreled 6.5 Grendel. Both using handloads. The guy with the HK ran out of steam at around 800yds from his 18" barrel. The 6.5 Grendel guy wasn't very consistent after 800yds either. How hot can you load for a semi auto aluminum receiver before things get dangerous? How much pressure will you lose through your gas system (decrease velocity)? Do you reload? More than likely, factory match ammo isn't going to get your .308 AR past 800yds. Just some things to think about in your long range adventure. The .260 or .243 may be better caliber choices to consider.

Yup, I'm aware of possibly ammo issues @ 1,000; however, I don't think I'm anywhere near to being ready to be shooting competition at that range yet, so not too worried if I can't get 1" groupings in the 10 ring. I'll leave that to my cousin, he's been shooting 1,000 comps for years and he's like 4 years younger than me. Helps to have a gunsmith for a dad growing up I guess...lol.

This is my friends home built http://a4.sphotos.ak.fbcdn.net/hphotos-ak-ash4/223313_206186636086966_100000868943084_521818_3429 992_n.jpg

More info? Specs? Total cost?

NorCalAthlete
05-19-2011, 2:47 PM
Gaaaahhhhhhh choices, choices. So I just found out that POF lowers ALSO have the right side bolt catch/release system. That's the MAIN thing I like about the REPR...side charging's a bonus but not worth an extra $500 by itself. I'm leaning towards the POF .308 now...basically save $500-$600 off the price of the REPR for something just as good minus side charging. Both have free float rails, nice piston systems, etc, but an added bonus on the POF is interchangeability...it's a DPMS style upper and lower. So, more options to play with if I want to get an additional upper in a different caliber or something random. $500 buys a lot of ammo and range time...hehehehehehe.

NorCalAthlete
05-31-2011, 5:16 PM
****update****
POF .308 AR w/ 20" barrel ordered :D
Trijicon Accupoint TR23-2 (amber mil dot) 5-20x50 ordered

Now....what scope mounts would you guys recommend? I'd like a 1 piece mount, but don't want to spend $250 on some of the nicer ones if a Burris $80 will work just as well. Any recommendations?

osis32
05-31-2011, 5:26 PM
Adm recon. $140 and just as good as larue with lifetime warranty.

NorCalAthlete
05-31-2011, 5:34 PM
Adm recon. $140 and just as good as larue with lifetime warranty.

Link? I'm looking on optics planet and don't see it...

osis32
05-31-2011, 5:45 PM
http://www.midwayusa.com/viewproduct/?productnumber=672599&cm_mmc=Froogle-_-Optics%20-%20Scope%20Rings%2C%20Bases%2C%20Mounting%20%26%20 Accessories-_-PriceCompListing-_-672599


a little more than I remembered but its under your budget

osis32
05-31-2011, 6:03 PM
that is gonna be one heavy gun too. hope youre really athletic haha.

NorCalAthlete
05-31-2011, 6:31 PM
that is gonna be one heavy gun too. hope youre really athletic haha.

Heh I am...no worries there. Not planning on humping it 15 miles through mountain ranges to take a shot with it anyway.

osis32
05-31-2011, 7:26 PM
well let me know when you get the pof well compare yours to mine. I have an 18" bull barreled dpms upper and ubr stock on mine.

NorCalAthlete
05-31-2011, 7:50 PM
Will do, should be about a week or so. I ordered mine with the Magpul PRS stock though. I'll see how the pistol grip feels once I get it but I may swap that out too.

9-12
05-31-2011, 8:11 PM
I've built half a dozen AR10's. These are two I've ended up keeping. Both easy sub MOA, and both for under $2000.00
Top one started as a 24" AR10T upper, cut and crowned to 20". Second is a 16" SASS barreled Armalite upper. Both on Aero lowers, have SWS E1 rails, and both with worked RR 2 stage triggers. The 20 is a hevy beast but really fun out to 800yds and the 16"...well, it's just more fun than a barrel of monkeys. The 20" will probably get an A2 stock since I'm not real crazy about the PRS. Scope is a gen3 IOR 3-18x42 on a 20moa Badger base.

http://www.performanceboats.com/gallery/data/500/medium/02211.JPG

osis32
05-31-2011, 8:22 PM
I have a prs waiting for my next build (I bought two lowers in the TM group buy at SBR). thats when I have the funds. I need to buy some freakin .308 first and foremost. thanks to calguns I built an lr308 for 1100 bucks including the ubr stock.

NorCalAthlete
05-31-2011, 8:24 PM
ammoman.com has some decent deals on .308 but I don't know about shooting the Wolf stuff out of a semi-auto. I have some of it for my bolt action and it shoots fine but I'm holding off on buying more for my POF until I've tried it a couple times.

osis32
05-31-2011, 8:40 PM
http://imageshack.us/f/94/052311094330.jpg//

Im not too worried about wolf if you want a battle rifle it should be able to shoot anything. theres a vendor in florida in the commercial sales has a good deal too. like .34 a round.

sorry I couldnt resist posting my newest assembly

NorCalAthlete
05-31-2011, 9:16 PM
Pic didn't load...looking up the FL vendor now :D

billgato
06-01-2011, 7:46 AM
The 20" will probably get an A2 stock since I'm not real crazy about the PRS.

I only built my first LR-308 and have the PRS stock. What do you dislike about the stock?

I have modified mine by adding a Limbsaver recoil pad and it has changed the nature of the beast entirely. She is an absolute joy to shoot now.

Thanks.

9-12
06-01-2011, 8:33 AM
I only built my first LR-308 and have the PRS stock. What do you dislike about the stock?

I have modified mine by adding a Limbsaver recoil pad and it has changed the nature of the beast entirely. She is an absolute joy to shoot now.

Thanks.Mainly don't like the cheek rest. Because of the charging handle it has to be where it is, but it's really not very comfortable for shooting an AR. They're also heavy. I do like the adjustability.

osis32
06-01-2011, 9:17 AM
I suck at posting pictures apparently. the fl vendor is weaponsworld or something like that if I remember correctly

pyro3k2
06-01-2011, 9:40 AM
I only built my first LR-308 and have the PRS stock. What do you dislike about the stock?

I have modified mine by adding a Limbsaver recoil pad and it has changed the nature of the beast entirely. She is an absolute joy to shoot now.

Thanks.

For me the PRS stock didn't offer much over the A2 style to justify that price jump.

NorCalAthlete
06-01-2011, 5:25 PM
:twoweeks:

I'll post pics and thoughts when it gets here and I can try it out...

osis32
06-01-2011, 5:58 PM
did you find that ammo I was talking about?

Hoop
06-01-2011, 6:32 PM
I'm a little over a week until I have all the parts for mine. Waiting on a barrel and a gas block. It'll look like the carbine in 9-12's pic except with an ACS, rifle length handguards, and rifle gas.

Hoop
06-01-2011, 6:45 PM
Trijicon Accupoint TR23-2 (amber mil dot) 5-20x50 ordered


I really wouldn't get that scope. IIRC they are mixed knobs and the amber illuminated one I saw the illumination was worthless because of the color.

I would look at a 2.5-10 like a leupold m3, nightforce or IOR or get a fixed 10X like the super sniper HD or USO 10X.

Vortex PST SFP variables are out there, as are the new sightron s3's with the MP8 looking reticle. Sightron S3's have a good reputation among most shooters out there so if you want a sub 1k dollar variable with 20+ on the top end I would look at them.

Finally, there is a deal going on the new super sniper 5-20 FFP scope for 999 dollars. It's ending in two weeks, after that it will be 1500. It's a new product but the people using the prototype/eval scopes love them. So it's a gamble but if I were in your shoes I would get it.

This scope here:

http://swfa.com/SWFA-SS-5-20x50-Tactical-30mm-Riflescope-P50662.aspx

9-12
06-01-2011, 6:50 PM
I'm a little over a week until I have all the parts for mine. Waiting on a barrel and a gas block. It'll look like the carbine in 9-12's pic except with an ACS, rifle length handguards, and rifle gas.Are you saying you're going to run a 16" barrel with a rifle length gas system?

osis32
06-01-2011, 7:07 PM
I really wouldn't get that scope. IIRC they are mixed knobs and the amber illuminated one I saw the illumination was worthless because of the color.

I would look at a 2.5-10 like a leupold m3, nightforce or IOR or get a fixed 10X like the super sniper HD or USO 10X.

Vortex PST SFP variables are out there, as are the new sightron s3's with the MP8 looking reticle. Sightron S3's have a good reputation among most shooters out there so if you want a sub 1k dollar variable with 20+ on the top end I would look at them.

Finally, there is a deal going on the new super sniper 5-20 FFP scope for 999 dollars. It's ending in two weeks, after that it will be 1500. It's a new product but the people using the prototype/eval scopes love them. So it's a gamble but if I were in your shoes I would get it.

This scope here:

http://swfa.com/SWFA-SS-5-20x50-Tactical-30mm-Riflescope-P50662.aspx
I didnt wanna be negative but I agree. an accupoint is not ideal for long range due to the big dot blocking the area you wanna see the most. Im not going to make any suggestions because I dont have very high quality glass but if youre satisfied with an accupoint rock it.

NorCalAthlete
06-01-2011, 10:55 PM
Yeah I found the ammo, ordered a case of 500 rounds :thumbsup:

As for the scope...What do you mean by mixed knobs? And I ordered the amber color because supposedly the green gets lost much easier if you're doing any hunting or anything with it, and amber's the easiest to see against the widest variety of backgrounds. I dunno. I saw the deal on the super sniper, but don't know anything about it compared to the accupoint. I understand your point about the dot being in the area you want to see most, but at the same time I don't think it's a HUGE dot like enough to really obscure your target. At that magnification even at 1,000 yards the dot should be smaller than a 12" target or anything.

Sgt. J Beezy
06-01-2011, 11:04 PM
Not a piston driven but the AR10 style .308 that I will buy eventually is the LMT MWS.

You can go with the 20 inch barrel for added accuracy.

Latigo
06-02-2011, 5:41 AM
AR10's we have.... more than we can regularly shoot, but this is the one that's settled in as having proven itself over and over as a consistent long range rifle.

She has a custom, internally re-machined Armalite AR10 receiver/magazine well cut to accept a slightly longer AR10 custom magazine, this because of the required OAL.
All internal receiver areas are coated with a Tungsten Disulfide Matrix derivative. The chamber and throat are cut to accept one projectile profile only. The Sierra 175 MK,
and no other. Because of these cuts the TTL, seat depth and OAL are specific and critical, thus the need and reason for a custom machined Mag-well.
Walther 17-4 S/S barrel, internally tapered .006 electro-polished bore and a 1-10 ROT.
SWS foregrip and a prototype trigger from his inventory that later evolved into the Chip McCormick trigger.

http://img.photobucket.com/albums/v87/zfk3155/Wilson1-1.jpg


Premier Heritage Scope.

http://img.photobucket.com/albums/v87/zfk3155/Scope006.jpg

Reload data, case and bullet prep are also specific and critical to performance. Its a lot of fun to experiment with other projectiles and powders trying to match what we already know to be the solid performers.
Its not easy to find a combo in an autoloader that can consistently shoot like a bolt action. A bit on the heavy side, but this one is my favorite autoloader that we have.

Hoop
06-02-2011, 7:41 AM
As for the scope...What do you mean by mixed knobs?

Reticle is in mils, knobs are in moa. Meaning the distance between two of the dots (one mil) is roughly 3.6MOA or 3.6 x 4 clicks since they are probably 1/4 moa clicks. So ideally you want the adjustments to match the reticle if you are dialing according to the reticle. Secondly, you have SFP vs. FFP; this means you turn the magnification dial and the reticle appears to become larger (FFP) or stays the same size at all times (SFP). If you like to use holdovers then I would say go FFP, if you like to dial and aren't going to be using your scope for rangefinding you should be fine with SFP.

Honestly unless you want a lightweight rifle I would just go order that super sniper scope. Check out the threads about it on sniper's hide (there is coupon/ordering info in there). It's the same price as that trijicon scope you have on order but I would lay even money that it's better in every single way.

NorCalAthlete
06-02-2011, 1:59 PM
Reticle is in mils, knobs are in moa. Meaning the distance between two of the dots (one mil) is roughly 3.6MOA or 3.6 x 4 clicks since they are probably 1/4 moa clicks. So ideally you want the adjustments to match the reticle if you are dialing according to the reticle. Secondly, you have SFP vs. FFP; this means you turn the magnification dial and the reticle appears to become larger (FFP) or stays the same size at all times (SFP). If you like to use holdovers then I would say go FFP, if you like to dial and aren't going to be using your scope for rangefinding you should be fine with SFP.

Honestly unless you want a lightweight rifle I would just go order that super sniper scope. Check out the threads about it on sniper's hide (there is coupon/ordering info in there). It's the same price as that trijicon scope you have on order but I would lay even money that it's better in every single way.

Talked to Trijicon, they said the knobs are either mil-mil or moa-moa, there's no mixing. As for SFP vs FFP, the rep said he wasn't sure what I meant by that but the reticle is in the 2nd focal plane. Honestly I'm not sure about that either heh just relaying info here.

9-12
06-02-2011, 6:34 PM
I'd like to see a picture of the custom magazine.AR10's we have.... more than we can regularly shoot, but this is the one that's settled in as having proven itself over and over as a consistent long range rifle.

She has a custom, internally re-machined Armalite AR10 receiver/magazine well cut to accept a slightly longer AR10 custom magazine, this because of the required OAL.
All internal receiver areas are coated with a Tungsten Disulfide Matrix derivative. The chamber and throat are cut to accept one projectile profile only. The Sierra 175 MK,
and no other. Because of these cuts the TTL, seat depth and OAL are specific and critical, thus the need and reason for a custom machined Mag-well.
Walther 17-4 S/S barrel, internally tapered .006 electro-polished bore and a 1-10 ROT.
SWS foregrip and a prototype trigger from his inventory that later evolved into the Chip McCormick trigger.

http://img.photobucket.com/albums/v87/zfk3155/Wilson1-1.jpg


Premier Heritage Scope.

http://img.photobucket.com/albums/v87/zfk3155/Scope006.jpg

Reload data, case and bullet prep are also specific and critical to performance. Its a lot of fun to experiment with other projectiles and powders trying to match what we already know to be the solid performers.
Its not easy to find a combo in an autoloader that can consistently shoot like a bolt action. A bit on the heavy side, but this one is my favorite autoloader that we have.

NorCalAthlete
06-28-2011, 11:48 AM
My new .308 AR :D

Made by POF, bought through Rainier Arms who added the PRS and bullet button for me. Great people to work with there. Scope is a cheapo 3-9x40 from a friend till my Vortex Viper PST 6-24x50 + Burris PEPR gets here. I'll take more/better pics once I have that scope. Range report to come probably within a week or so.
http://img36.imageshack.us/img36/7286/img0776cv.jpg

NorCalAthlete
09-02-2011, 7:12 PM
So, range report (haven't taken pics of my target, sorry). Shot well with Wolf ammo, no issues with feeding, jamming, firing, etc. Recoil is wonderfully soft, feels damn near like my AR15, and the ergonomics are great. Here's some pics for you guys to enjoy, I'll be posting them in the rifles gallery too but thought I'd let everyone see the result of this thread where everyone helped me out with advice.

http://img827.imageshack.us/img827/9951/img0359r.jpg

http://img641.imageshack.us/img641/6082/img0362f.jpg

http://img714.imageshack.us/img714/5820/img0363ck.jpg

http://img823.imageshack.us/img823/6200/img0364vl.jpg

http://img42.imageshack.us/img42/5945/img0365bc.jpg

http://img37.imageshack.us/img37/453/img0367zh.jpg

Phil3
09-02-2011, 7:53 PM
I am not far from you, let me know how she shoots. Where are you firing this rifle at? What distance?

- Phil

NorCalAthlete
09-02-2011, 7:56 PM
So far just Coyote Point in San Mateo, @ 100 yards. Shoots well though!