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View Full Version : LMT Piston Vs. Knights Armament Sr-15


Bigbird19
04-09-2011, 2:16 PM
Bought to get my First AR and have narrowed my choices down to these two pieces. I guess the Decision comes down to two arguments.

First being Piston vs. DI

Second would be Knights armament Vs. LMT

The LMT would be the LMT MRP 16" and the Knights Armament would be the Sr-15 upper on an LMT lower receiver. I like the MRP piston for the ease of cleaning and the ability to swap barrels to a longer one or to a 6.8 spc (I like having options even if I don't intend on using them at first.) and I like the integrated Iron Sights with the Knights armament and have heard nothing but good with them. My concerns are that I know that Knights Armament isn't to fond of the civilian market and even less so with California, and my other concern is that I heard that the LMT piston will have a stronger recoil but if it isn't an absurd amount it might be negligable.

Also does anybody have any information on warranties for both company?

Comments, Concerns and Suggestions are all welcomed.

santacruzstefan
04-09-2011, 2:24 PM
Welcome to CalGuns.

I've never shot the KAC, but I just recently bought an LMT MRP, based on the facts that a) they are a top- tier company, b) they have good customer service, and c) I can easily switch between DI and piston, as well as multiple calibers. Now that private gunsmiths have figured out how to machine the barrel extension to fit LMT's proprietary receiver, you can use any barrel you want, in any caliber that'll fit. The MRP seems like the most well- rounded platform you can find. Also, the stainless MRP barrels are legendary in their accuracy.

As far as piston goes, I had an LWRC, but sold it. Too expensive. It was nice, but I couldn't justify the price for what it was. Cleaning was simple, though. Accuracy of the piston MRP is said to be on par with many DI guns, but its perhaps not quite as good. Also, a bit heavier.

Bigbird19
04-09-2011, 2:45 PM
So on the MRP I could switch from a piston 5.56 and a DI 6.8 with just the barrel, bolt and magazine, correct?

X-NewYawker
04-09-2011, 4:59 PM
http://i125.photobucket.com/albums/p54/Fasanoland/Rifles/MRPPISTONBIPOD.jpg

"So on the MRP I could switch from a piston 5.56 and a DI 6.8 with just the barrel, bolt and magazine, correct?"

Yes. MRP:
DI 5.56
GP 5.56
DI 204 Ruger
DI 6.8
GP 6.8

6.8 needs new mag and BCG
The gas piston guns in 5.56 use same mags, but need new BCG to go with bbl

http://i125.photobucket.com/albums/p54/Fasanoland/Rifles/LMTgaspistonparts.jpg

I have an MRP and MANY barrels in all the calibers and lengths. It rocks.

http://i125.photobucket.com/albums/p54/Fasanoland/Rifles/LMTGasUpper.jpg


Why would you restrict yourself to one caliber and BBL length? Or operating system?

Bigbird19
04-09-2011, 5:20 PM
Love the Bi-pod. How does it work with the vertical grip. Do you have them pointing forward or rear when not in use.

Do you have a link for the 6.8 GP bolt? I couldn't find one on LMT's webstore.

Also what magazine/bolt would you use for the Ruger .204?

CA Gun Laws Suck
04-09-2011, 7:57 PM
That tango down bi-pod is legit and the legs should go toward the receiver. I have the MRP piston and think the recoil is smoother or lighter than my buddies MRP DI when I shot them both. Not that either of them are unmanageable in 5.56 haha.

kAnJii
04-09-2011, 10:19 PM
I don't have a LMT...yet :D, but I did ask them about there warranty once. They only said they'll take care of it.

themailman
04-09-2011, 10:39 PM
I'm currently building an MRP, the quality is amazing, and it is insanely lightweight. I havent shot it yet (No BBL yet), but I look forward to the meeting of copper and paper.

http://i47.photobucket.com/albums/f198/glockfire/Guns%20and%20Gear/DSC01476.jpg

locosway
04-09-2011, 11:15 PM
I bought a LMT lower and decided to go with the LMT upper (DI), and I couldn't be happier with my choice. LMT makes a great product.

badicedog
04-09-2011, 11:22 PM
Man, forget you LMT guys..., Jerry back me up! lol. I love my KAC SR15.
http://i21.photobucket.com/albums/b286/mannysden/CIRASKAC.jpg

locosway
04-09-2011, 11:23 PM
Man, forget you LMT guys..., Jerry back me up! lol. I love my KAC SR15.

I just didn't see the point of putting anything other than a LMT upper on my really nice LMT lower... :)

pyro3k2
04-09-2011, 11:37 PM
this thread = "I dont know what to buy a Aston Martin or a Bugatti" pick which ever one you can get the best deal on.

santacruzstefan
04-09-2011, 11:43 PM
this thread = "I dont know what to buy a Aston Martin or a Bugatti" pick which ever one you can get the best deal on.

This is good advice also, and don't get me wrong, I'd also love to have a KAC. I'd want the full rifle though, since their lower is pretty awesome. But anything KAC is absurdly expensive. That triple tap? Sure, its inconel, but $400? **** that! Not to say I don't want one, but perhaps if it were half the price...

Plus, KAC hates Californians, or at least refuses to deal with us, while LMT sells CA- compliant models from the factory, as well as models for other ban state's unique restrictions. That is a company who cares about the consumer, all the consumers. And I'm sure you'll find a better deal on a MRP than the Knights.

Zzzake
04-10-2011, 12:30 AM
the 16" MRP gas piston is $1450
KAC SR-15 $1350

I shot both and the MRP didnt come with BUIS when you just buy the upper (own one). KAC will come with sights.

I love both and would recommend either to anyone, but if you go with the magpul buis that another 100 dollar putting the MRP 200 more than the SR-15.

If money not a problem, get both!!!

keson
04-10-2011, 1:12 AM
I love my SR-15.

http://i5.photobucket.com/albums/y171/endlessrainx/SR15.jpg

X-NewYawker
04-10-2011, 1:26 AM
Love the Bi-pod. How does it work with the vertical grip. Do you have them pointing forward or rear when not in use.

Do you have a link for the 6.8 GP bolt? I couldn't find one on LMT's webstore.

Also what magazine/bolt would you use for the Ruger .204?

Those are the Vltor/tango down separate bipod legs that attach to the SIDE rails and fold up on either side of the vertical grip.

You get the barrel here:
http://www.lmtstore.com/bolts-carriers-groups/barrels/l7kc1b.html
BCG call them -- they've just left it off the website but they have them:
Here's mine --

http://i125.photobucket.com/albums/p54/Fasanoland/Rifles/6.jpg

I use regular AR-15 mags and bolt carrier group with .204 Ruger.

Norcal Industries
04-10-2011, 2:10 AM
i can order a lmt mrp for anyone who wants one for $1350 shipped. and i will throw in a mbus.

Bigbird19
04-10-2011, 6:21 AM
i can order a lmt mrp for anyone who wants one for $1350 shipped. and i will throw in a mbus.

Sold :chris: PM sent