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AR15.COM
5/7/2015 7:14:58 PM EDT
Good afternoon,

I'm looking into buying one of your barrels. Can you tell me what the weight is on this, and if it has M4 feedramps?

From pkfirearms.com/Rock_River_Arms_Barrels/64/c

Rock River Arms 16 Inch - CAR - CHROME LINED - LIGHTWEIGHT Barrel - NO FRONT SIGHT
Rock River Arms 16 inch chrome lined, lightweight profile, chrome moly vanadium barrel, chambered in 5.56 NATO with a 1:9 twist, carbine length gas system, .750 diameter gas block journal, and a 1/2-28 threaded muzzle.

5/8/2015 3:09:36 PM EDT
[#1]
AR0232CL 16" Light Weight Chrome Lined CAR Bbl.
1.8 pounds.  Current production uses an M4 extension.  Prior production has used both, and older production was strictly rifle extensions.  What the dealer is offering right now could be either, based on when they may have gotten the barrel, or if it was specifically ordered one way or the other during the transition period.  The best way to determine it would be to contact the dealer.
Thanks.
Steve/RRA
5/8/2015 5:30:16 PM EDT
[#2]
Thanks.