AR-10/LR-308 Parts


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EugeneInNC
August 2, 2009, 09:45 PM
Hello everyone, I have an AR-10 and need to know if the bolt carrier and bolt are the same as the DPMS LR-308 bolt and bolt carrier. I dropped a pin today while cleaning the bolt on my AR-10. I found it but.... what if I could not find it? I need to order some spare parts. I would also like to know if the barrels are the same. I can find barrels for DPMS but not for Armalite.

Thanks in advance for any help

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tkcomer
August 3, 2009, 10:34 AM
Head on over to here with your question: http://www.ar15.com/ Click on AR-15 at the top and go to the Armalite section.

rbernie
August 3, 2009, 10:47 AM
The bolt assemblies themselves are not the same; I don't know if the firing pin retaining pin is the same. The barrels are interchangeable, but the barrel nuts are not.

I have a DPMS 26" fluted SS barrel on one of my Armalite AR10s and it works fine.

EugeneInNC
August 4, 2009, 08:36 PM
Thanks for the help. Looks like I will try to stick with Armalite parts unless I get in a real bind.

ParaElite
August 4, 2009, 10:38 PM
*** is a bolt nut?

rbernie
August 4, 2009, 10:49 PM
HA! I meant barrel nut. :)

One of my pet peeves - Armalite and DPMS use the same barrel extensions, but different thread pitches on the barrel nut so that no float tube can be freely interchanged between them.

ParaElite
August 4, 2009, 11:58 PM
Thanks for the clarification. Phew I thought I was going nuts or losing my memory!:what::D

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