Colt LE6921DOS 14.5 inch Upper Receiver Assembly w/ KAC RAS Quad Rail

Description

The Colt LE6921DOS-CK Upper Receiver Assembly was built for Department of State and feature's Colt's upper receiver and Knight's Armament's RAS 7" Quad Rail. In addition to an uninterrupted full-length front rail, this upper receiver allows for a free-floated barrel. This LE6921CK Upper Assembly also features a gas-block mounted fixed front sight post with bayonet lug. The barrel is Colt's standard 14.5" chrome lined M4 barrel with an A2 flash hider up front.

Package Contents

Colt LE6921CK Complete Upper Assembly
Complete M4 Full Auto Bolt Carrier Assembly
Knights Armament RAS 7" Quad Rail
Charging Handle
Fixed Post Front Sight
Manual

Specifications

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
Caliber - 5.56mm
Gas Direct system, Locking bolt
Front Sight - Adjustable front
Flash Hider