Faxon Firearms Duty Series, 1:10 Twist Barrel, 308 Winchester, 16" Pencil Profile, Mid-Length Gas System, Fits AR-10, Nitride Finish, Black

Manufactured in-house, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior accuracy. Quality is imbued into their barrels from the start. They start with the best materials, either certified 4150 Mil-Spec steel or 416-R Stainless. From there, each barrel goes through a battery of tests at each operation until finished in Nitride and final inspected. All barrels are individually checked for headspace by precision custom hardened gauges. • Barrel Material: 4150 CMV • Barrel Caliber: .308 WIN • Barrel Twist: 1:10 • Barrel Length: 16";Barrel Profile: Pencil;Barrel Gas System: Mid;Inside Finish: Salt Bath Nitride;Outside Finish: Salt Bath Nitride;Muzzle Thread: 5/8x24;Gas Block Diameter: .750 • Gas Block Journal Length: 1.1";Barrel Extension: LR-308 (DPMS Compatible);Weight: 1.78 lbs;Magnetic Particle Inspected;11-degree Target Crown