PSA 11.5" 5.56 1/7" Phosphate Classic SBA3 Pistol Kit, Black

Barrel: 4150V chrome-moly phosphate barrel. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a carbine-length gas system. The barrel is finished off with a classic black carbine-length handguard, F-Marked gas sight base, and A2 flash hider.Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. These uppers are made for us right here in the USA by a mil-spec manufacturer.Lower Build Kit: PSA Classic SBA3 Pistol lower build kit with SB Tactical SBA3 Pistol Stabilizing Brace, mil-spec buffer tube, carbine latch plate, and classic fire control group.