Colt M4 Combat Unit Carbine 5.56mm with Centurion Arms Rail


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The Colt Combat Unit Carbine is a hard-use Modern Sporting Rifle designed with the input of veteran trainers Mike Pannone, Daryl Holland, and Ken Hackathorn. This rifle features a Mid-Length Gas System, a Lightweight profile barrel, and an extended handguard, all of which make this upgraded carbine the preferred choice for the modern sport shooter. The M-LOK® capable handguard and flat top upper receiver are ready for the addition of optical sights and accessories.

What’s in the Box

Colt M4 Combat Unit Carbine 5.56mm
(1) 30 Round Magazine
Cable Lock
Owner’s Manual

Firearm Specifications

Model: M4 Combat Unit Carbine
Caliber: 5.56x45mm
Barrel Length: 16.1″
Overall Length: 33-36.5″
Capacity: 30+1
Upper Receiver: 7075-T6 Aluminum
Lower Receiver: 7075-T6 Aluminum
Finish: Black Hardcoat Anodized
Barrel Material: 4150 CMV
Barrel Finish: Manganese Phosphate
Barrel Technical: 1:7″ RH Twist Rate; 6 Groove; Chrome Lined
Grip: Magpul® MOE® SL™ Pistol Grip
Operating System: Mid-Length Direct Gas Impingement
Safeties: Ambidextrous Safety Selector
Unloaded Weight: 6.47 lbs.