Front Pivot Pin - Takedown Detent - Rear Takedown Pin (2) - Detent Takedown Spring (2) - Mag Catch - Mag Catch Button - Mag Catch Spring - 1/4-28 x 1 SHCS - Washer - Trigger Spring - Hammer Spring - Disconnector Spring - Bolt Catch Plunger - Bolt Catch Spring - Bolt Catch Spring Pin - Bolt Catch - Hammer & Trigger Pin (2) - Trigger Guard Pivot Spring Pin - Selector Detent - Selector Spring - Buffer Detent - Buffer Retainer Spring - Disconnector - Safety Selector - Trigger Guard - Trigger - Hammer - Pistol Grip