| Action | Semi-Auto |
| Barrel Length | 10.3″ |
| Caliber Gauge | 223 Rem | 5.56 NATO |
| Family | Upper Only |
| Finish | Black |
| Magazine | |
| Manufacturer Model No | 23-004-08013-006 |
| Model | Upper Receiver Group MK18 |
| Overall Length | 28 |
| Stock Frame Grips | |
| Type | Accessory-Uppers |
Description










