Finish your AR-15 lower receiver the right way with complete lower parts kits (LPKs) that include everything you need for a smooth, reliable build. These kits come with mil-spec or enhanced components such as trigger groups, safety selectors, magazine releases, bolt catches, takedown pins, detents, and springs—all precision-machined for proper fit and function. Whether you’re assembling a stripped lower, doing a full rifle build, or replacing worn internals, our LPKs are trusted by serious shooters and builders alike. Available with or without fire control groups, and compatible with most AR-15 lowers.
