CMMG AR15 Mk9 9mm Bolt Rehab Kit

CMMG AR15 Mk9 9mm Bolt Rehab Kit

The CMMG Mk9 9mm Bolt Rehab Kit contains all the parts necessary to repair or maintain your CMMG 9mm bolt.  Kit contains the following parts: Mk9 firing pin, Mk9 firing pin spring, Mk9 extractor, Mk9 extractor roll pin and firing pin retaining pin.