PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13" Lightweight Hex M-Lok Upper W/ MBUS Sight Set - No BCG or CH

Barrel : 16" barrel length Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a mid-length gas system. The A2 profile barrel is Nitride finished. Barrel is finished off with a .750" diameter low-profile gas block, PSA 13.5" Hex Full Picatinny 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. Includes :  Magpul® MBUS Sight Set, Black **Upper Does Not Include BCG or Charging Handle