Get the most Micro AR-15 Pistol you can build! a custom 5.5″ 5.56 barreled upper in a black anodize finish. 1o0% made and assemble in the USA! Finish off your build with a lower parts kit; lower receiver, and BCG Charging handle combo. Or you can buy it 100% finished ready to fire and assembled on our website under AR-15 Pistols