The Firing Line Forums - View Single Post - How can I tell if my AR has a chrome lined barrel?

jacktalley · November 6, 2008, 12:40 PM

I just checked my Colt A-2, HBAR, Sporter and it had a "C" followed by an "MP" with the "P" being part of the "M." It also had the .223 and the .556 designations with a 1 in 7 twist. Anybody know what the C MP means? Thanks.

November 6, 2008, 12:40 PM	#9
jacktalley Junior Member Join Date: October 30, 2005 Location: Atlanta/Blue Ridge, GA Posts: 11	What does this mean? I just checked my Colt A-2, HBAR, Sporter and it had a "C" followed by an "MP" with the "P" being part of the "M." It also had the .223 and the .556 designations with a 1 in 7 twist. Anybody know what the C MP means? Thanks.