Ballistic Advantage

This 5.56 NATO chambered 11.5 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 - 11.5";"Material - Chrome Moly Vanadium" - Profile - Hanson - Finish - Phosphate - "Twist Rate - 1:7";"Gas System Length - Carbine" - "Gas Block Journal - 1.03" Gas Block Seat for .750" Low Profile Gas Blocks Only" - Muzzle -1/2x28 Threaded - Weight - 26oz (includes Low Pro) - HP and MPI Tested