NEXT LEVEL ARMAMENT MIL-SPEC LOWER PARTS KIT FOR AR-15 This lower parts kit contains all the parts you need to get started on your next AR15 build, packaged in convenient, color-coded packets to simplify assembly. INCLUDES: Bolt catch/roll pin Bolt catch plunger/spring Trigger guard/roll pin Trigger Trigger spring Disconnector Disconnector spring Hammer Hammer spring Trigger/hammer retaining pins Safety, detent, & spring Magazine catch, spring, & release button Pivot/takedown pins, detents, & springs A2-style pistol grip/grip screw & washer Buffer retai Mfg: Next Level Armament