CMMG Receiver Extension Castle Nut for MK4, Black Matte
$8.99
This CMMG Receiver Extension Castle Nut is compatible with MK4 firearms.
- Firearm Fitment: MK4
- Color: Black
- Finish: Matte
| Brand | CMMG |
|---|---|
| Country of Origin | Made in USA |
| Ammunition Capacity | N/A |
| Compatibility | MK4 |
| Gun Compatibility | Rifles |
| Caliber | N/A |
| Gun Part Type | Parts and Kits |
| Primary Color | Black |
| Manufacturer Part Number | 55CA9CB |