Colt Mfg M4 Carbine 5.56 NATO 16.1" 30+1 Semi-Auto Rifle - Magpul Slim Line FDE

The Colt M4 Carbine carries the legacy of the M16/M4 family, the iconic service rifle platform trusted by America's armed forces for decades. This LE6920MPS-FDE configuration dresses the proven carbine in Flat Dark Earth Magpul MOE SL furniture. Chambered in 5.56x45mm NATO (and equally at home with .223 Remington), it pairs the classic M4 profile with a chrome-lined 16.1" barrel featuring a 1:7 twist for stable performance across the full range of M193 and M855-family projectiles.

The action is a gas-operated semi-automatic built around a flat-top upper receiver paired with Magpul MOE SL handguards. The barrel is finished with a grenade-launcher cutout and a flash hider, and the reversible safety selector is set up to be friendly to both right- and left-handed shooters. A fixed A2 front sight post pairs with a folding Magpul MBUS rear sight for a co-witnessed aiming system that works with or without an optic mounted to the flat-top rail.

Magpul MOE SL furniture sets this variant apart, including the carbine stock and matching pistol grip in Flat Dark Earth, giving the rifle a clean, low-profile look. The package ships with one 30-round Magpul P-Mag, so the carbine is ready for the range right out of the box.

Designed and built by Colt's Manufacturing in the United States, the LE6920MPS-FDE comes from the same family of carbines widely adopted by law enforcement and security agencies. It delivers the proven controls, familiar manual of arms, and broad accessory ecosystem that have made the AR-15/M4 platform the standard for modern sporting rifles.

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