PARTS KIT AR15 BUFFER RETAINER

Buffer Retainer Parts Kit AR-15

Includes:

• 
  (1) CMMG buffer retainer spring. Compatible with AR-15(Mk4) and LR-308(Mk3) buffer systems.
  


• 
  (1) CMMG buffer retainer for AR-15(Mk4) and LR-308(Mk3) buffer systems.