PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride MOE EPT Pistol Kit w/MBUS Rear, Black

Barrel: Chrome-moly barrel. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a carbine-length gas system. This barrel is nitride treated for accuracy and durability and is finished off with a MOE 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: Features Enhanced Polished Trigger (EPT), Magpul Grip, Magpul Trigger Guard, and black oxide coated hammer and trigger springs. Also includes castle nut, latch plate, carbine buffer spring, 5 positioning mil-spec buffer tube, and standard carbine buffer.Includes: Magpul MBUS Rear Sight, Black