Barrel: Chrome-moly vanadium steel, chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a Mid-length gas system. The A2-style profile barrel is nitride treated for durability and accuracy. Barrel is finished off with an .750 low-profile gas block, 11" PSA Keymod Free Float Rail, and an A2 flash hider.
Upper: Forged 7075-T6 A3 AR upper is hard coat anodized black for durability. Featuring M4 feedramp cuts, T-marks, these upper upper receivers are made for us right here in the USA.
Bolt Carrier Group: Bolt is made of Mil-spec shot-peened Carpenter 158 steel, phosphate coated. Carrier is Phosphate coated and chrome-lined 8620 steel. Machined steel gas key is chrome lined and fastened with properly staked grade 8 bolts. Charging handle included.