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re: Official AR-15 thread

Posted on 4/29/14 at 6:35 pm to
Posted by Clames
Member since Oct 2010
16738 posts
Posted on 4/29/14 at 6:35 pm to
quote:

Plan to make this a hunting longer range bigger game rifle.



Not unless you plan on getting that chamber gauged for .308. Unlike virtually every other AR-10, Sig chambers 7.62 NATO instead of .308. That's an issue in two ways, .308 chambers and 7.62 NATO chambers spec'd differently with headspace at the shoulder and commercial hunting ammo is considerably hotter than mil-spec stuff which should be considered when running a piston type AR10 variant.
This post was edited on 4/29/14 at 6:45 pm
Posted by LSUmakemewanna
Houston, TX
Member since Aug 2010
1734 posts
Posted on 4/29/14 at 8:42 pm to
That's odd. The manual says .308 WIN is good to go.
Posted by Carson123987
Middle Court at the Rec
Member since Jul 2011
66524 posts
Posted on 4/29/14 at 8:55 pm to
Post that distorted George takei face for me
Posted by NOLAGT
Over there
Member since Dec 2012
13561 posts
Posted on 4/29/14 at 9:26 pm to
I'm pretty sure I have read that many have used .308 rounds...

Yea I just saw someone say it says on page 21 of the manual it says .308 is ok to shoot. I didn't look yet but will before I shoot it. I have read of some having issues with feeding and ejecting...some say needing a brake in some needing to go back to sig. I hope this one just works :)
This post was edited on 4/29/14 at 9:38 pm
Posted by H.M. Murdock
B.A.'s Van
Member since Feb 2013
2113 posts
Posted on 4/30/14 at 7:54 am to
quote:

Sig chambers 7.62 NATO instead of .308


Dont understand that. Hot 308 loads could be dangerous in that chamber.
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