Complete small parts refresh for your 5.56 bolt and bolt carrier includes every critical wear component: firing pin, extractor, ejector, gas rings, cam pin, springs, o-ring, and all retaining pins. Restore full reliability and function to any mil-spec or Faxon 5.56 BCG after high round count. Made in Greater Cincinnati, Ohio. The Faxon AR15 5.56 Bolt/Carrier Group Refresh Kit is a comprehensive replacement parts package for any mil-spec or Faxon 5.56 bolt carrier group. This kit includes every wear-prone component extractor, firing pin, ejector, gas rings, cam pin, all springs, o-ring, and retaining pins so you can restore smooth, reliable operation after thousands of rounds or when you notice extraction issues, light primer strikes, or gas leakage. Perfect for high-round-count shooters, competition guns, training rifles, or defensive setups. Whether you're maintaining a duty rifle or refreshing a competition BCG, this kit keeps your Faxon (or mil-spec) 5.56 AR running like new no need to buy a whole new BCG. Product Features Firing Pin: Replacement for reliable primer ignition Firing Pin Retaining Pin: Secures firing pin in place Extractor: Replacement for positive case extraction Extractor Spring: Maintains proper extractor tension Extractor Spring Insert: Supports extractor spring function Extractor Retaining Pin: Secures extractor to bolt Ejector: Replacement for consistent case ejection Ejector Spring: Provides ejector force Ejector Roll Pin: Retains ejector in bolt Set of 3 Gas Rings: Replacement for proper gas seal Cam Pin: Replacement for bolt rotation and cycling