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.