BLEM PSA 16" M4 5.56 Nitride 13.5" Timber Creek Upper W/Billet Dust Cover

Barrel: 16" 4150V Chrome Moly Vanadium steel barrel, chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a Carbine gas system. The barrel is finished with a .750" diameter low-profile gas block, Timber Creek Enforcer 13" M-Lok Free Float Rail and an A2 flash hider.Upper: Forged 7075-T6 A3 AR upper is hard coat anodized black for durability. Featuring M4 feed ramp cuts, these upper receivers are made for us right here in the USA. Finished off with a Timber Creek Billet Machined Duct Cover**This Upper Does Not Include BCG or a Charging Handle. ** These uppers will have cosmetic blemishes that do not affect function. This may include but is not limited to, forging marks under the finish, scratches, and slight variations in the finish color coat.