M16 A1 5.56 NATO ASSEMBLED UPPER RECEIVER BLACK

Sons of Liberty Gun Works East India 5.56X45 assembled upper delivers a complete, ready-to-build solution with a cold hammer forged 4150 Chrome Moly Vanadium Steel 16" barrel, MPI HPT tested and finished in black. Mil-Spec 7075-T6 aluminum receiver with Picatinny Rail, mid-length gas system, and QPQ corrosion-resistant coating backed by lifetime warranty.

K-SPEC 5.56 NATO 13.9'' BBL 1-7 TWIST COMPLETE UPPER BLACK