Magpul MOE® SL Grip in Black or FDE *M5 (.308) Takedown Pin *M5 (.308) Pivot Pin Takedown/Pivot Detent Takedown/Pivot Spring *M5 (.308) Bolt Catch Bolt Catch Buffer Bolt Catch Roll Pin Bolt Catch Spring *Extended Magazine Catch Button Magazine Catch Body Magazine Catch Spring Buffer Retainer Buffer Retainer Spring Safety Selector Safety Selector Spring Safety Selector Detent 4-40 Set Screw (for threaded takedown pin detent hole) Trigger Hammer Trigger Spring Trigger/Hammer Pins Hammer Spring Disconnector Disconnector Spring