The CMMG AR-15 Survival Kit contains all the parts that should be kept on-hand, in case of a much needed repair. This AR kit works with 5.56×45, .223 Remington, and .300BLK calibers. Includes M16 Cam Pin (2) Carrier Key Screws Disconnect Disconnect Spring Ejector (2) Ejector/Selector Springs Ejector Roll Pin Extractor Extractor Spring and Buffer Extractor Pin Firing Pin Firing Pin Retainer (3) Gas Rings Hammer Spring Trigger Spring (2) Hammer/Trigger Pins Selector Detent Receiver Pivot Pin Takedown Pin (2) Takedown Pivot Pin Detents (2) Takedown Pivot Pin Springs
