Barrel: 4150V Chrome moly steel, 16" barrel length chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a carbine-length gas system. The M4 profile barrel has a gas nitride finish for durabiltly, a .750" diameter low-profile gas block, PSA 13.5" 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, these upper upper receivers are made for us right here in the USA.
Bolt Carrier and Charging Handle are NOT included.