Rosco Manufacturing Purebred 300 Blackout 16" Barrel, Nickel Boron - PB-16-HB-300BLK-8-P

This is a 16" rifle barrel chambered in 300 Blackout with a heavy profile and 1:8" twist rate, designed for AR-15 platforms. The barrel features a nickel boron finish for durability and corrosion resistance, with a 5/8x24 thread pitch for muzzle device attachment and a pistol-length gas system. Installation requires standard AR-15 barrel removal and installation procedures.