Barrel: 20" 4150 CRMOV. Chambered in 6.5 Creedmoor, with a 1:8 twist, and a rifle-length gas system. Barrel is finished off with a PSA 12.5" Quad Rail, and a Sabre Compensator muzzle device. Upper: Billet 7075 AR upper is FDE Cerakote Finish. Bolt Carrier Group: Sabre AR-10 BCG with Sprinco Gas Rings and OCK's Gas Key Fasteners Lower: Sabre-10 lower with FDE A1 stock and Sabre grip. FDE cerakote finish. Marked multi-caliber. Comes Standard with Springco Buffer Spring, Battle Arms Development Pivot