The Colt Upper Reciever Kit 5.56 NATO 11.5" Black is available at Nautilus Arms.
The Colt upper assembly with integrated rail offers compact handling, durable construction, and reliable performance in an AR-compatible platform. It features an 11.5-inch lightweight barrel chambered in 223 Rem and 556 NATO for balanced accuracy and maneuverability. The integrated rail system supports easy mounting of optics and accessories, while folding front and Magpul rear backup iron sights provide versatile aiming options. Finished in black, this upper is built for consistent function in demanding applications.
Specifications
| Brand | Colt |
|---|---|
| Caliber | 223 Rem/5.56 Nato |
| Barrel Length | 11.5" |
| Barrel Material | Steel |
| Rate Of Twist | 1:7" |
| Barrel Finish | Nitride |
| MPN | LE6943CK |
| UPC | 098289035356 |
