Product Description

M-4 style 16" 4150 (machine gun steel) chrome lined barrel.

5.56mm NATO 16" barrel, the barrel features a 1:7 twist rate, is made from 41V50 mil-spec vanadium alloy steel, and comes fully machined and assembled with an M4 extension. It has a chromed bore and chamber to ensure peak performance and durability, a .750" gas block, and a Front Sight Base. It is designed for a carbine-length gas system, includes a drilled gas port, and has a mag phosphate finish with a muzzle thread of 1/2 x 28.