ASK AN EXPERTThe CMMG MK4 Receiver Extension Nut is made for use on the AR-15/MK4 platform. CMMG produces high quality parts and accessories for a variety of weapons platforms. You can always rely on CMMG for parts which are correct and within specification.
Activity: |
Shooting |
Color: |
Black |
Finish: |
Matte |
Firearm Fit: |
AR-15 |
Product Type: |
Castle Nuts |
Serialized Item: |
F |
Bestselling: |
F |
In Store Pickup: |
Yes |
