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Retired W4 · 01-29-2008, 07:58

I ran into an AR that has me scratching my head and I was hoping someone could help me with it. It's a Competition HBAR with a very early CH number, shaved front sight similar to the 6724, and a muzzle brake firmly fixed to the threaded 20" C MP HBAR, 1 in 9, w/no bayo lug. It has a mark on the top right forward area of the upper that appears to be a C in a square (Colt proof).

So is it an R-6700, or an R-6701 Custom Shop gun? Help!

01-29-2008, 07:58	#1
Retired W4 Guerrilla Join Date: Jun 2007 Location: Currently Tucker, GA Posts: 117	Colt 6700/6701 I ran into an AR that has me scratching my head and I was hoping someone could help me with it. It's a Competition HBAR with a very early CH number, shaved front sight similar to the 6724, and a muzzle brake firmly fixed to the threaded 20" C MP HBAR, 1 in 9, w/no bayo lug. It has a mark on the top right forward area of the upper that appears to be a C in a square (Colt proof). So is it an R-6700, or an R-6701 Custom Shop gun? Help! Last edited by Retired W4; 02-02-2008 at 11:14. Reason: C mark on the upper, not the lower.
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