Includes: Hammer Hammer Spring Trigger  Trigger Spring Hammer & Trigger Pivot Pins (2) Disconnector  Disconnector Spring Bolt Catch  Bolt Catch Plunger  Pivot Pin  Buffer Retainer Buffer Retainer Spring Magazine Catch Button Magazine Catch Spring Magazine Catch  Take Down Pin Selector  Selector Detent Selector Detent Spring Trigger Gaurd  Trigger Gaurd Roll Pin Takedown Detent Pin (2) Takedown Detent Spring (2) Grip Screw Grip Washer Pistol Grip    Proudly Made In U.S.A.