PSA Sabre AR-10 Upper Forged 20" .308 Rifle-Length Quad Rail w/ Fluted Barrel 51655139776

Barrel: 20" 4150 CRMOV, Black Nitride. Chambered in .308, 1:10 twist, and a rifle-length gas system. Barrel is finished off with a 12.5" Quad Rail, a Sabre Compensator, and Cerakote Finished.Upper: Forged 7075 AR upper is hard coat anodized black for durability. These uppers are T-Marked engraved.Bolt Carrier Group: Sabre AR-10 BCG with Sprinco Gas Rings, Sprinco Ejector Spring, Sprinco Extractor Spring, and OCK's Gas Key Fasteners