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View Full Version : ar 15 beginner build. Suggestions are welcomed


Solus
12-03-2011, 5:32 PM
Hi let me introduce myself. My name is Andy. I am a long time hunter and I am now wanting to build myself and ar15 platform rifle for both hunting and range time. Ide like to be able to use both .308 and .223 calibers. I know nothing about the ar 15 but I would love to learn more. So far from what I understand is that I need to buy a lower and register it. Is this correct? Please any suggestions is welcomed. Im gonna build the entire thing and I want it to have a bullet button so it can be CA legal but be very accurate thank you :confused:

socal-ar15
12-03-2011, 5:45 PM
For center fire cartridges you need a bullet button. The AR platform can be made very accurate, if you want to shoot 308 cartridges you need to build an AR10 if you want to stick with an ar15 lower there are many different calibers to choose from. 5.56, 6.5 Grendel, 6.8 spec, 450 bushmaster and many more that you can use the ar15 lower with.

Solus
12-03-2011, 5:48 PM
any recommendations on brands of lower so I can start with that?

Dr-Death
12-03-2011, 5:49 PM
colfax tactical make great 80%ers!


soon Larry will have 308 lowers too!!

0351USMC
12-03-2011, 5:50 PM
any recommendations on brands of lower so I can start with that?

Spikes,JD,Mega etc

socal-ar15
12-03-2011, 5:57 PM
Lower Receivers are personal preference I really like Mega but that’s my preference.

GMG
12-03-2011, 5:58 PM
Almost any AR15 lower is good to go!

Solus
12-03-2011, 6:03 PM
from what I can tell so far from looking up some of these lowers is that they come without any trigger or anything. is all the moving parts in the uppers?

taladeganite
12-03-2011, 6:03 PM
CMMG, LMT, Fulton, Kaiser. Have you been to the centerfire rifles section of this forum? to go the rifles gallery,----> "Let's see your AR .308 Builds! List your components to help others :-) "

Agent Tikki
12-03-2011, 6:07 PM
A yet to be released Colt model will have the ability to shoot both calibers.

Otherwise you have to have two completely seperate rifles to shoot both calibers.

Ar10s have bigger magwells to accommodate the longer .308s and related calibers.

Ar15s are usually, 5.56x45 .223 remington, 6.8 spc, 300 blackout etc....

Solus
12-03-2011, 6:07 PM
Im new to the site I went through some of it but so far I like the spikes but Im thinking of having someone paint it camo I saw someone posted one with the digital camo and I liked it. Itll take me a few days before I can really go through the site and decide on a lower I wanna get :)

Solus
12-03-2011, 6:09 PM
A yet to be released Colt model will have the ability to shoot both calibers.

Otherwise you have to have two completely seperate rifles to shoot both calibers.

Ar10s have bigger magwells to accommodate the longer .308s and related calibers.

Ar15s are usually, 5.56x45 .223 remington, 6.8 spc, 300 blackout etc....


when is this lower coming out? do you have a link so I can take a look at it?

socal-ar15
12-03-2011, 6:12 PM
from what I can tell so far from looking up some of these lowers is that they come without any trigger or anything. is all the moving parts in the uppers?

No the trigger, safety, Mag release, bolt release, stock, grip and upper anchor pins are all in the lower receiver

socal-ar15
12-03-2011, 6:18 PM
125126

125127

125128

First tow are striped lowers the last is a completed lower

Solus
12-03-2011, 6:19 PM
I see.. so the what are some good internal lower parts? or are they all basically the same? Im looking for a smooth action

socal-ar15
12-03-2011, 6:22 PM
No you can buy a complete rifle that is ready to shoot out of the box, or you can start with a striped lower and build it from the ground up.

socal-ar15
12-03-2011, 6:26 PM
yes and no it comes down to what you want to do with the rifle.

Solus
12-03-2011, 6:28 PM
well I want a very accurate rifle for hunting

freonr22
12-03-2011, 6:30 PM
Hi Andy! Welcome to Calguns. I only have I little bit of help for you.... Make sure your receiver extension is mil spec, the threads are shorter then the threads in the lower, so thats why its loose until you tighten the nut. Save up and get a Mil-spec kit.

http://i655.photobucket.com/albums/uu272/Wiringguy/milspecthread-1.png

And that same poster, Dieselpower, has som great info in his sigline for assembling

__________________
AR-15 ASSEMBLY LIST FOR BUILDERS. Edit, counldnt get hyperlinks activated from my iPad http://www.calguns.net/calgunforum/showthread.php?p=5349233#post5349233
How to Zero a M16
US Military M16 family operator manual TM-9-1005-319-10
Advanced maintenance, M16 family TM-9-1005-319-23

tomd1584
12-03-2011, 6:30 PM
For center fire cartridges you need a bullet button.

No you don't.

tomd1584
12-03-2011, 6:32 PM
The AR platform can be made very accurate, if you want to shoot 308 cartridges you need to build an AR10

No you don't.

http://www.franklinarmory.com/PRODUCTS_308-Upper.html

socal-ar15
12-03-2011, 6:34 PM
The trigger is the most important differance I use Timney Triggers or Geissele Automatics.
There are other option that you can choose to change from the standard parts kit like pistol grip bolt and other parts.

Solus
12-03-2011, 6:40 PM
Hi Andy! Welcome to Calguns. I only have I little bit of help for you.... Make sure your receiver extension is mil spec,

And that same poster, Dieselpower, has som great info in his sigline for assembling

__________________
AR-15 ASSEMBLY LIST FOR BUILDERS. Edit, counldnt get hyperlinks activated from my iPad http://www.calguns.net/calgunforum/showthread.php?p=5349233#post5349233
How to Zero a M16
US Military M16 family operator manual TM-9-1005-319-10
Advanced maintenance, M16 family TM-9-1005-319-23

so Freonr22 does this have to do with the lower or is this for the barrel. please explain I am new at gun building Ive never built one I usually just buy completed ones.

socal-ar15
12-03-2011, 6:42 PM
From my understanding of California Law only rimfire guns do not need a bullit button. But to avoid a internet form argument or FUD being spread I would contact Mike @ OC Armory (949) 786-5189 or the guys @ Riflegear (949)209-6413

That upper reciver shown Is that a single shot? Cool alternative to a AR 10

freonr22
12-03-2011, 6:42 PM
It's the rear "stock" tube essentially.

freonr22
12-03-2011, 6:43 PM
And a calguns oll assembly guide also.

http://www.calguns.net/OLL/assembly.html

tomd1584
12-03-2011, 6:48 PM
From my understanding of California Law only rimfire guns do not need a bullit button. But to avoid a internet form argument or FUD being spread I would contact Mike @ OC Armory (949) 786-5189 or the guys @ Riflegear (949)209-6413

That upper reciver shown Is that a single shot? Cool alternative to a AR 10

Incorrect.

You can build a 'Featureless' configuration. Better read up some more.

Solus
12-03-2011, 6:52 PM
awesome freon thats very helpful :)

wash
12-03-2011, 7:01 PM
A "stripped lower" is stripped, no parts.

To complete it, you need a lower parts kit (LPK) and parts for your stock and buffer.

For the stock you have two basic choices but each choice has dozens of different flavors.

The first choice is the fixed stock. This uses a "rifle" buffer tube that threads directly in to the lower, a "rifle length" buffer, a "rifle" buffer spring, the actual body of the stock and assorted small parts depending on which fixed stock you buy.

The second choice is the collapsible carbine stock. This uses a "carbine" buffer tube with a castle nut and end plate, a "carbine" buffer, a "carbine" buffer spring and then the actual carbine stock. If you go this route, make sure you buy quality parts, you don't want a rifle that doesn't work because you "saved" $5.00 buying UTG, ATI or no name parts. Also you should probably go for a "mil-spec" buffer tube and stock, that's different from "commercial spec", and much more standard.

For LPKs, the good news is that some of them are cheap and good, around $50.00. The bad news is if you want a fancy trigger, an upgraded trigger guard or a more ergonomic pistol grip, that's extra.

There are a lot of choices and you can waste a lot of money if you buy parts that you decide to dump later.

Before you jump in, think about how heavy you want your rifle to be and then choose parts accordingly. If you want a light rifle, a 20" HBAR upper and a Magpul UBR stock is not what you want. Big scopes, quad rails, bipods and flashlights are heavy too. Choose wisely.

Don't be afraid to ask questions and be willing to listen to advise.

A lot of people new to ARs build rifles that don't do anything particularly well, people who have been there can tell you if you are going down a path that leads to regret.

Solus
12-03-2011, 7:13 PM
thank you wash for the advice
so far this is what Im thinking of:

spikes lower reciever
mil-spec collapsible stock

I still need to decided on:
barrel(probably 26" for accuracy)
an upgraded trigger, guard, and grip
and the whole upper

tomd1584
12-03-2011, 7:43 PM
a longer barrel does not necessarily = more accurate.

tpat663
12-03-2011, 8:01 PM
Check out westernsportonline.com good stuff at a good price.

Ak707
12-03-2011, 8:30 PM
Just buy this..
http://www.remington.com/product-families/firearms/centerfire-families/autoloading-model-r-25.aspx

Solus
12-03-2011, 8:31 PM
they dont have any lowers listed

Solus
12-03-2011, 8:33 PM
Just buy this..
http://www.remington.com/product-families/firearms/centerfire-families/autoloading-model-r-25.aspx

sorry I dont like remington plus Im not looking to buy the whole thing I want a custom rifle

shortround1
12-03-2011, 8:47 PM
You're probably good to go if you buy your lower directly from a Ca ffl but please check out the OLL sticky in this forum before choosing your lower. The link in there to the flowchart is also a very helpful tool. Congrats and have fun.

http://calguns.net/calgunforum/showthread.php?t=186405

Solus
12-03-2011, 9:00 PM
Ive already seen that thats why Im looking for the bullet button and a longer rifle remember this is also a hunting rifle the longer the barrel and more rifling the better

freonr22
12-03-2011, 9:19 PM
Ive already seen that thats why Im looking for the bullet button and a longer rifle remember this is also a hunting rifle the longer the barrel and more rifling the better

Not true solus.

Let's start over.

What size game at what distance do you want to hunt?

Solus
12-03-2011, 9:33 PM
I hunt up to bear and elk but I also hunt coyotes thats why I wanted a versatile rifle I would never shoot something over 250 yards with this rifle even my 30-06 I wont shoot over 350 yards

freonr22
12-03-2011, 9:54 PM
I maybe wrong, I do not believe .223 is sufficient for bear or elk, but I am not a hunter. Maybe some one an chime in on calibe selection, which is done first? Target size, weight ie muzzle energy needed to stop threat, then distance, the from thre caliber is selected? Then barrel to achieve? Or something.

Just my thoughts. IMHO, 18" 1/8 for .223 is pretty awesome today. I wanted a 26" barrel in 1996 when 1/12 twist and 55 gr were the main stays. Not true today with heavier weight projectiles and faster twists

gunsarefun
12-03-2011, 10:00 PM
thank you wash for the advice
so far this is what Im thinking of:

spikes lower reciever
mil-spec collapsible stock

I still need to decided on:
barrel(probably 26" for accuracy)
an upgraded trigger, guard, and grip
and the whole upper

I hunt up to bear and elk but I also hunt coyotes thats why I wanted a versatile rifle I would never shoot something over 250 yards with this rifle even my 30-06 I wont shoot over 350 yards

A longer barrel doesn't deliver better accuracy over a shorter barrel, what it delivers is more feet per second. A few extra feet per second from that long barrel only helps out your accuracy when you are trying to shoot the very limits of what a certain cartridge can do. Remember, the biggest factor on accuracy is the slowing of the bullet to where it starts becoming unstable in it's flight.

For example:

You want to coyote hunt and never shoot at them past 250 yards. .223's upper limit is somewhere in the neighborhood of 700 yards or so with the right rifle that has a long barrel, rifling, and the right loads. So for .223, shooting only 250 yards is no big deal. You wouldn't hardly notice the difference if you were using an AR15 with a 14.5" barrel vs. one with a 26" barrel because a 14.5" barrel yields plenty of speed to keep the bullet super sonic and stable WELL past 250 yards.

Oh, and you probably don't want to be carrying around a 26" match barrel.:D

luchador768
12-04-2011, 12:39 AM
Given what your going to hunt, a 20 inch AR-10 would be a better fit. I've never seen a 26 inch 5.56 AR, I would imagine all sorts of trouble with a tube that long. The gas system is built for either 20, 16, or 14.5 inches. Plus that's a lot of friction on a small light projectile.

Colt-45
12-04-2011, 1:19 AM
Seems like you're leaning towards an accurate hunting build as opposed to maneuverability(14.5"), if so, make sure to get a free float rail or tube as apposed to a 2 piece drop in handguard

Solus
12-04-2011, 4:36 AM
ok so I guess I should go with a 20 or 16 inch barrel but the caliber cant be a .223 due to the fact even though it can kill an animal Ill probably be tracking it for miles. you can shoot a young black bear with a .22 and kill it but that thing could run for miles what calibers do they have exactly so far Ive seen the ar 16 in .223 and 6.5. I believe the ar 10 platform has the .308. what others sizes are there and is there one I can build to use more than one caliber?

wash
12-04-2011, 9:09 AM
If you want to stay in the AR15 platform, 6.8 SPC has good killing power out to 300 yards if you use a good bullet like a Barnes TTSX 95 grain. The Sierra Pro Hunter 110 grain does pretty well if you want something cheaper to load. Most hunters go with 16" barrels for maneuverability but 18" and 20" will give slightly higher velocity which can stretch the range a little more.

6.5 Grendle has slightly better terminal performance at longer ranges but being a wildcat instead of a cartridge designed for the AR platform, the magazines are not ideal and I think most of it's "advantage" is accuracy at very long range which is good for target practice but not much else.

There are other calibers out there with performance better and worse but I think the 6.8 SPC is pretty ideal in the AR.

The AR10 gets you in to short action bolt gun territory with the .308 and similar size cartridges. The problem is they get heavy real fast.

A lot of people will say that a 26" barrel with a carbine stock is kind of silly but you do see something like that out there and I'm putting one together right now. It's called a space gun and they are used for things like 600 yard NRA high power competitions.

Mine is going to be 100% billet with a 15" free float tube, a Vltor A5 buffer system and an adjustable match rifle stock. It will be a pure long distance range toy, not practical for much else. If you go that way, you want to get the absolute best barrel and trigger you can find and hand load for it because there is nothing more useless than an inaccurate match rifle.

Solus
12-04-2011, 10:10 AM
ok so Ive been looking at some of the other forums and Im thinking of the 6.8 with a 16" barrel. what do you guys think? Its good for pig and deer. Pig being the hard to kill buggers they are. seems like it might be good for black bear as well and it doesnt seem like over kill like my 30-06 for coyote