Cryptic Master Repair Kit Mystic Black. 308 WIN / 7.62x51mm / 6.5 Creedmoor) Chrome Firing Pin Firing Pin Retaining Pin Ejector Ejector Spring Ejector Roll Pin Gas Rings (3) Features of Cryptic Master Repair Kit Cam Pin (Choice of coating) Extractor (Choice of coating) Extractor Pin Extractor Spring w/ Viton Insert O-Ring (Viton Insert not included with .308 WIN / 7.62x51mm / 6.5 Creedmoor) Chrome Firing Pin Firing Pin Retaining Pin Ejector Ejector Spring Ejector Roll Pin Gas Rings (3) Package Contents: Cryptic Master Repair Kit Cryptic CC-RKM-0700: Master Repair Kit Mystic Black