Boss Barrels Carbon Fiber 308 Win AR-10/LR308 Barrel - 18"

Whether on the range or in the field, Boss Barrels' CARBON SERIES is built to perform. Built from a fully stress relieved, air gauged, 416R stainless blank turned down to a desired profile and reinforced with aerospace grade materials. Specifications: Caliber: 308 Win. Length: 18" Material: 416R Stainless Steel Twist Rate: 1/10 Rifling: 5R Gas Block Diameter: .875" Gas Block Length: 1.02" Gas System Length: Rifle Muzzle Thread: 5/8"-24 Crown: Recessed Target