Rosco Manufacturing Purebred 6MM ARC 16" Barrel, Nickel Boron Stainless - PB-16-SPR-6MM-7.5-R

This Rosco Manufacturing Purebred barrel is a 16" 6MM ARC rifle barrel with a 1:7.5" twist rate, designed for AR-15 platforms. The barrel features a 416R stainless steel construction with a nickel boron finish and SPR profile, threaded 5/8x24 for muzzle devices, and includes a rifle-length gas system. Direct threaded installation on compatible AR-15 upper receivers.