Cmmg Buffer Assembly Carb Mk9

The CMMG MK9 AR-15 9mm Carbine Buffer is a replacement buffer for AR-15s/M4s that are chambered in 9mm luger using a carbine receiver extension.

Features :

• Fits AR-15 rifles chambered in 9mm Luger/CMMG MK9 or similar pattern variant using a carbine receiver extension