Made to work with our Stag 10 components and some DPMS components. Our Stag 10 Stripped Lower receiver is second to none in quality. This lower comes with our proprietary takedown and pivot pin set for superior fit with a Stag Upper Receiver.Compatibility:Once matched with our Stripped Upper, the use of standard DPMS components and magazines is accepted.The Stag Stripped Lower accepts any Mil-Spec Trigger Guard, Mil-Spec Fire Control Group, Mil-Spec Stock, DPMS Magazines, and Standard AR15 receiver extension tubes with a .308 Buffer and Buffer Spring. Accepts any standard AR Pistol Grip.Federal law requires this product to be transferred through a licensed FFL dealer. Stag Arms requires a copy of the dealer 's FFL for verification. It 's the customer 's responsibility to notify the dealer of the order.