Description
Weight:1.97 lbs
Nitromet™ 5.56 M4 Barrel 16″ 1-9 Twist Carbine Gas System
Match-quality Nitromet barrel has been treated with Nitromet (salt bath nitrocarburized) inside and out with a hardened finish that results in a bore life 40% greater than with traditional chrome-lining without affecting accuracy. Barrels are made of 4150 Chrome Moly Vanadium steel, chambered for 5.56mm NATO, button rifled with 1-9″ twist rifling, and machined to a standard M4 profile. Gas port drilled for a carbine length gas system, .750″ diameter at the gas block. . Comes with a Nitromet processed barrel extension installed.
