AR10 Build


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Grubby
March 4, 2012, 05:26 PM
Hello,
I am set on building an AR10. By building I do not mean puting an upper and lower together. I mean taking a lower puting a stock trigger and everything else on it. Same for the upper. I am new to this so what companies do you suggest buying from for receivers? Also, what parts are compatible with an AR10 and AR15? Still open on calibers for the gun. However I'd like a coyote and deer gun that can shoot 400 yards. I am a handloader so I can push for higher velocities.

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madcratebuilder
March 5, 2012, 07:25 AM
Start by reading this FAQ (http://www.ar15.com/forums/t_3_62/378850_AR10_FAQ_and_information_Small_Update_2012.html)

henschman
March 5, 2012, 02:26 PM
"AR-10" just refers to the line of rifles made by Armalite, Inc. They are one of several manufacturers that make .308 ARs. Their parts are not compatible with the other major pattern of .308 AR, which is the pattern that DPMS, Bushmaster, CMMG, and KAC use. Also, Rock River Arms makes a .308 AR that is it's own pattern, and not compatible with any of the others.

So, assuming that you were asking about all .308 ARs and not just the Armalite AR-10, your first task would be to decide which pattern you want to build on.

Do a little reading up on the Armalite vs. the DPMS pattern, and figure out which one you want to use.

Then you have to figure out a caliber. Since you are a handloader, I would strongly recommend .260 Rem for the role you're talking about. It is ballistically better than the .308 in every way. It is an outstanding caliber for both long range and hunting, since it is such a flat-shooting round that bucks the wind and retains energy way on out there, while being nice and low-recoiling. If you handload, you have plenty of selection when it comes to 6.5mm bullets.

One option you may want to look into is a Mega Arms MA-Ten receiver set. It comes with a stripped upper and lower receiver. You use all AR-15 parts for the lower (except for the parts that are supplied with the receiver set, like the charging handle and take-down pins), and for the barrel and bolt, you can use either an Armalite pattern or DPMS pattern, which is nice. It takes the DPMS-pattern mags, which is nice since they are the cheapest.

Grubby
March 5, 2012, 09:46 PM
I've started to get some things figured out on this build, however I can't find any .260 Remington AR10 barrels. I've narrowed it down to an Armalite or MegaArms receiver.

adelbridge
March 5, 2012, 11:18 PM
I mean taking a lower puting a stock trigger and everything else on it.
I went the complete opposite on my ar-10 build. I got a complete Remington R-25 and replaced everything in the lower. You will find that a stock trigger is the Achilles heel of the AR-10/AR-15 (they are they same). You are better off getting a matched upper and lower as described above and for resale value, Frankenguns dont fetch as much. If you want to choose your own barrel and headspace it yourself go for it but you can most likely find a pre assembled upper that meets all your criteria.

aubie515
March 5, 2012, 11:31 PM
If you are consider 260Remington...why not go 6.5Creedmoor? You can load the 6.5CM longer since mag length is limited on the 260R. Both are very very close ballistically, but the 6.5CM shines in a mag system.

MachIVshooter
March 6, 2012, 12:13 AM
I've narrowed it down to an Armalite or MegaArms receiver.

Armalite mags are proprietary, but they've come down in price lately. They're also the only ones that offer a 25 rounder (and 5, 10, 15 & 20). Allegedly, Magpul is going to make Armalite pattern P-mags, too.

Armalite also uses a stronger 7175 alloy for the AR-10 receiver.

Grubby
March 6, 2012, 09:13 AM
Yeah I have looked at the Creedmoor, and I like the round. However, the .260 Remington barrel is very rare and the Creedmoor's barrel is even more rare. I am not interested in a noveske barrel. I know they are good but they are a little to expensive.

madcratebuilder
March 6, 2012, 09:37 AM
Armalite mags are proprietary, but they've come down in price lately. They're also the only ones that offer a 25 rounder (and 5, 10, 15 & 20). Allegedly, Magpul is going to make Armalite pattern P-mags, too.

Armalite also uses a stronger 7175 alloy for the AR-10 receiver.
Magpul is not going to make ArmaLite AR-10B mags (M14 mag). The mag well is to narrow to allow the use of plastic mag construction.

ArmaLite has released a model of the AR10 called the AR-10A, that is the SR-25 pattern or Pmags.

ArmaLite AR-10B=M14 mags
ArmaLite AR-10A=SR-25 mags

henschman
March 6, 2012, 03:19 PM
Krieger makes .260 barrels for the AR-10.

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