Description
Colt’s Manufacturing, Complete Upper Receiver, 223 Rem/556NATO, 16.1″ M4 Barrel, Black Finish, A2 Fixed Front Sight, Magpul BUIS Rear Sight
- Upper Receiver
- A2 Fixed Front Sight
- 223 Rem/556NATO
Product
The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on.
