Description
CMMG Mk4 stripped lower receiver is a semi-auto AR-15 lower built for 223 Remington or 5.56 NATO. It is supplied without fire-control components, so it is intended for assembly using compatible upper and parts. The receiver is finished in Cerakote Armor Black.
Key features
- Stripped lower receiver for custom build or parts swap
- Semi-automatic action
- Cerakote finish in Armor Black
- Chambering compatibility noted for 223 Remington and 5.56 NATO
Specifications
| Caliber | 223 Remington / 5.56 NATO |
|---|---|
| Action | Semi-Auto |
| Finish | Cerakote Armor Black |
| Model | Mk4 |
| Product Type | Stripped Lower Receiver |
