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 bayonet lug. The barrel is Colt's standard 16.1" chrome lined M4 barrel with an A2 flash hider up front.

  • Colt LE6920CK Upper Assembly
  • Colt C Marked BCG C 158 Bolt
  • Colt Charging Handle
  • Cage Code Marked Upper

  • Fixed Post Front Sight
  • 16 Inch 1/7 twist Mil-Spec chrome lined MP tested barrel
  • 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


MFG Colt
MODEL Colt LE6920CK 16" Upper
TITLE Colt LE6920CK 16" Upper

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