*M5 Specific Parts include: M5 Takedown Pin, M5 Pivot Pin, M5 Bolt Catch and Extended Magazine Catch Button. Our custom takedown and pivot pins are made to work with our M5 lower. They will work with DPMS-pattern lowers as well but will stick out further. Includes: Magpul MOE® Grip in Black *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   SPECS Specs Made In America? Yes Platform M5 Weight(s) - Other Features -