What a combo? Get started with your very own FDE build. Our AR15 Stripped Lower Receiver is the only way to start your AR15 build. Made to Mil-Spec standards, our stripped lower receiver is second to none in quality and works with Mil-Spec AR15 parts & components. The A3 Left handed upper receiver assembly is made to mil-spec standards and includes a picatinny rail on the top, dust cover, and installed forward assist.
Mil-Spec Small Pin .154″