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 and a Mil-Spec trigger that offers a conventional, single-stage 6 to 6 1/2 lb. service rifle pull.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-Style .308 fits DPMS LR-308 pattern lower receivers.