- (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
The CMMG AR-15 Buffer Retainer Parts Kit is fully compatible with any mil-spec AR-15. CMMG factory parts are a great choice for any new AR build, or for fixing up an older rifle that needs a little TLC.
