Assembling this gas-impingement operated AR-15 pistol began with a factory-assembled Ground ... That may sound like a lot for a stripped lower, ... .300 BLK. Upper: GZP Factory Complete Upper $554.

The SQS15 is the stripped lower receiver of the popular AR-15 semiautomatic rifle. It has the serial number on it and requires a background check to purchase, said Brad Rupert, Midwest Gun ...

The Shield Arms SA-15 built on the patent-pending FLR folding lower receiver is shipping now in stripped lower and complete pistol configurations. The FLR is billed as “…the world’s first ...