CLEAR .308 Takedown Pivot Pin .308 Receiver Pivot Pin Takedown Pin Detent (2) Takedown Pin Detent Spring (2) YELLOW Bolt Catch Bolt Catch Plunger Bolt Catch Screw Bolt Catch Spring Buffer Retainer Buffer Retainer Spring RED Hammer & Trigger Pin (2) Hammer Spring Trigger Spring Disconnect Disconnect Spring BLUE Magazine Catch Magazine Catch Spring Magazine Release Button GREEN Safety Selector Selector Detent Selector Detent Spring Lock Washer Pistol Grip Screw Hammer Trigger Pistol Grip