The CMMG MK9 AR-15 9mm Carbine Buffer is a replacement buffer for AR-15's/M4's that are chambered in 9mm luger using a carbine receiver extension.
- Fit:
- AR Rifles
- Manufacturer:
- CMMG
- Manufacturer Part No.:
- 90CA9B4
- Type:
- Buffer
- Sub Category:
- Stocks & Buffer Tubes
- Color:
- Black
