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Posted: 9/15/2010 7:57:17 PM EDT
I am building a custom 308 AR. I am going to have the barrel made, but I don't know if I want a LR308 or AR10 barrel extension. I know that you have to run the BCG that matches your barrel. What are the advantages of an armalite BCG vs a DPMS bcg?

Thanks.
Link Posted: 9/15/2010 8:55:38 PM EDT
[Last Edit: 9/15/2010 9:44:51 PM EDT by Brahmzy]
DPMS is more common/readily available. Many manufacturers support the DPMS barrel extension.

Noveske is one of the last few to ONLY support AR10, and I suspect that will change soon.

Also, you can get some nice chrome plated BCGs from DPMS, JP and many others. You get freaking ONE choice with Armalite - Armalite. Sometimes hard to find individual parts, and during the SHTF politics of 2009, AR10 BCG parts were nowhere to be found, apparantly.

I went with an AR10 BCG because I just HAD to have a damn Noveske barrel on my 308 build. Otherwise it would have been DPMS or similar.

And I can attest first hand the necessity of matching bolt/carrier/bbl ext. I bought a brand new chrome DPMS BCG for my Noveske / MEGA 308 build and the DPMS bolt would not lock with a round in my Noveske (AR10) chamber.
It also failed my headspacing gauges I bought.

Whoever tries to mix and match is a fool IMO. Very dangerous.
Link Posted: 9/16/2010 6:41:43 AM EDT
Also ,I believe the firing pin, is a spring loaded design in the AR10 BCG. If that makes a difference to you.
Link Posted: 9/16/2010 7:35:58 AM EDT
Originally Posted By survivalshop:
Also ,I believe the firing pin, is a spring loaded design in the AR10 BCG. If that makes a difference to you.


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