ASK AN EXPERTDescription
- 14.5 Inch 1/7 twist Mil-Spec chrome lined MP tested barrel
- Unique direct gas operating system eliminates the conventional operating rod and results in fewer and lighter components
- Accommodates the full range of 5.56mm ammunition, including the NATO M855/SS109 and U.S. M193, utilizing a rifling twist of 1 turn in 7"
- Straight-line construction disperses recoil straight back to the shoulder, increasing handling capabilities, especially during repeated fire
- Cartridge case deflector allows easy operation in both right and left handed shooting positions for increased tactical applications
- Muzzle compensator further reduces muzzle climb and helps eliminate flash and dust signatures
- Ejection port cover protects the chamber from dust and mud
- Field strips easily without special tools for simple field user maintenance
- Flat top receiver allows for removable carrying handle and easy mounting of accessories
- High strength materials for greater comfort and effectiveness
The COLT 14.5in 5.56 NATO Upper Receiver Assembly contains the complete upper receiver group, including a charging handle, bolt carrier group, and back up sight. Its barrel features a 1/7 right hand twist. Now you can convert any Colt rifle to the most state of the art configurations.
Warranty Information
| Caliber | 5.56x45mm NATO |
| Barrel Length, in | 14.5" |
| Barrel Type | M4 Contour, Free-Floating |
| Barrel Material | Chrome Moly Vanadium Steel |
| Twist Rate | 1:7" |
| Muzzle Type | A2 Flash Hider |
| Receiver Type | A3 Flat-Top |
| Receiver Finish | Black Parkerized |
| Barrel Finish | Black Parkerized |
| Thread Size | 1/2-28 |
| Gas System | Pistol Length |
| Includes | Complete Upper Assembly, Complete M4 Full Auto Bolt Carrier Assembly, Charging Handle, Fixed Post Front Sight, Folding Rear Sight, Manual |
