PSA Gen4 16" 9mm Classic Upper - With BCG and CH

Barrel: Chrome-moly vanadium steel, chambered in 9x19mm, with a 1:10 twist. The A2-style profile barrel is nitride treated for accuracy and durability. The barrel is finished off with a .750" diameter F-marked front sight base with sling swivel, standard handguards, and an A2 style flash hider.Upper: Billet 7075-T6 A3 AR upper is hard coat anodized black for durability. These slick side upper receivers are made for us right here in the USA.Bolt Carrier Group: Gen 4 Hybrid 9mm BCG. Phosphate Coated 8620 steel, with enhanced firing pin and external 5.56 style extractor. The bolt carrier group is compatible with most aftermarket fire control groups. *PSA Can't Guarantee Function With EndoMag 9mm Magazines