PSA 16" MID-LENGTH 5.56 NATO 1/7 NITRIDE 13" MK14 M-LOK UPPER - NO BCG OR CH - 5165447620

Barrel: Chrome-moly vanadium steel, chambered in 5.56 NATO, with a 1:7 twist rate, 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 a Geissele super gas block & MK14 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 feedramp cuts, these upper upper receivers are made for us right here in the USA.