This 5.56 NATO chambered 16 inch Cold Hammer Forged barrel is machined from CrMoV steel with a manganese phosphate finish and chrome lined bore. Their limited run of Cold Hammer Forged barrels feature an M4 Feed Ramp Extension and are HP and MPI tested.
Features :
,Length - 16";"Material - Chrome Moly Vanadium,
Profile - Hanson
Finish - Phosphate
,Twist Rate - 1:7";"Gas System Length - Mid-Length,
,Gas Block Journal - 1.03" Gas Block Seat for .750" Low Profile Gas Blocks Only,
