Our AR15 Pistol Marked Stripped Lower Receiver is the perfect base for your custom AR15 pistol build. Machined to mil-spec dimensions, our lowers work with standard AR15 components and ensure the highest quality with a correct component interface. The Pistol Marked Lower Receiver features custom "Pistol" markings. Rear takedown pin detent hole is threaded for a 4-40 set screw. Works with standard AR15 components and magazines. Made in the USA.