Complete kit contains every internal part needed to complete or rebuild an AR lower receiver. High-quality components are designed to work in coordination with each other to ensure smooth operation, and they come packaged in color-coded bags that organize related parts for easy assembly. Includes molded-polymer A2 pistol grip, Mil-Spec trigger that offers a conventional, single-stage 6 to 6½ lb. service rifle pull.

SPECS: Kit includes A2-style pistol grip, trigger, trigger spring, hammer, disconnector, hammer/trigger retaining pins, hammer spring, bolt stop and screw, selector, selector detent, bolt catch, magazine catch, magazine release button, front pivot pin, rear takedown pin, buffer retainer, triggerguard assembly, and all necessary pins, springs, detent and screws. AR-15/M16 fits mil-spec AR-15/M16 lower receivers.