Get the Colt Upper Receiver Conversion Kit 5.56 16.1" from Nautilus Arms.
The Colt LE6940 upper receiver assembly features a monolithic design that integrates a continuous Picatinny top rail with rigid mounting surfaces for enhanced durability and stability. Its free floated barrel design helps maintain consistent accuracy while reducing external pressure on the barrel. A built-in flip-up front sight is compatible with most standard height rear sights for flexible sight configurations. The chrome lined, button rifled barrel with a 1-7 twist supports reliable performance with 5.56x45 NATO ammunition.
Specifications
| Brand | Colt |
|---|---|
| Caliber | 223 Rem/5.56 Nato |
| Barrel Length | 16.1" |
| Barrel Material | Steel |
| Rate Of Twist | 1:7" |
| Barrel Finish | Nitride |
| MPN | LE6940CK |
| UPC | 098289035288 |