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 phosphate coated and 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 Mil-Spec Fire Control Group, Magpul Grip, Magpul Trigger Guard, and black oxide coated hammer and trigger springs. Also includes SB Tactical SBA3 Adjustable Pistol Brace, castle nut, latch plate, carbine buffer spring, 5 positioning mil-spec buffer tube, and standard carbine buffer.
Includes: Magpul MBUS Rear Sight, Black