CMMG AR-15 Buffer Retainer Parts Kit with Spring

The CMMG Buffer Retainer Parts Kit is a replacement set for the buffer retainer system on an AR-15 rifle. It is designed for builders assembling a new AR-15 or repairing an older rifle whose buffer retainer components need replacement.

The kit is listed as fitting the AR-15 Mk4 and LR-308 Mk3 buffer systems and is intended for mil-spec lower receivers. It is offered in black and silver finishes, and the platform is listed as AR-15.

Confirm the fit against your specific upper and lower receiver configuration before installation, since the listed compatibility covers the buffer systems named above.

• Brand: CMMG
• Model: Buffer Retainer Parts Kit
• Type: Buffer Tubes
• Platform: AR-15
• Fits: AR-15 Mk4 and LR-308 Mk3 buffer systems
• Receiver compatibility: Mil-spec lower receivers
• Color: Black, Silver