Colt M4 Complete Upper Receiver | Includes BCG & Charging Handle


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The Colt LE6920CK Upper Receiver Assembly feature’s Colt’s upper receiver. This upper receiver allows for a free-floated barrel and also features a gas-block mounted fixed front sight post with a bayonet lug and a backup rear sight. The barrel is Colt’s standard 16.1″ chrome-lined M4 barrel with an A2 flash hider up front.


    • Colt LE6920CK Complete Upper Assembly
    • Complete M4 Full Auto Bolt Carrier Assembly
    • Charging Handle
  • Fixed Post Front Sight
    • Folding Rear Sight
    • Manual




    • 16 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
    • Caliber – 5.56mm
    • Gas Direct system, Locking bolt
    • Front Sight – Adjustable front
    • Rear Sight – Target sight adjustable for windage and elevation
  • Flash Hider

Additional information

Weight 101 oz
Dimensions 26 × 6 × 4 in

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