The CMMG MK9 AR-15 9mm Carbine Buffer is a durable replacement buffer designed to fit AR-15/M4 rifles chambered in 9mm luger using a carbine receiver extension. This robust and reliable buffer comes in a sleek black color.
Specs
| Model No. | CMMG90CA9B4 |
| Manufacturer | CMMG |
| Color | Black |
