The CMMG Enhanced Field Repair Parts Kit contains the most essential replacement pieces to get your rifle up and running. With a field repair parts kit in your arsenal you have the ability to repair and replace common wear items on your AR-15. Kit Includes Firing pin Hammer spring Trigger spring Hammer/trigger pins (2) Firing pin retaining pin Extractor Extractor spring and buffer Extractor pin, ejector Ejector/safety selector springs (2) Disconnect spring Ejector roll pin
