The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on.
Features :
Features :
- M4 Feed Ramps
- Forward Assist
- Upper Receiver
Specifications:
| Caliber | 223 Remington |
| Caliber2 | 556NATO |
| Accessories | Dust Cover, Forward Assist, M4 Feed Ramps |
| Type | Upper |
