The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on.
Features :
Features :
- Upper Receiver
- A2 Fixed Front Sight
- 223 Rem/556NATO
Specifications:
| Caliber | 223 Remington |
| Caliber2 | 556NATO |
| Type of Barrel | M4 |
| Type | Upper |
| Barrel Length | 16.1" |
