Colt M4 Carbine Magpul SL Semi Automatic Rifle 5.56x45mm NATO 16.1" Matte Black Threaded Barrel Black Frame Black Pistol Grip

From MidwayUSA

Colt's M4 MPS shares many features of its combat-proven brother, the Colt M4. The heart of this carbine is its 16.1" chrome-lined barrel. With a 1 in 7" twist, ammunition selection is virtually unlimited. Colt teamed up with Magpul Industries to outfit this carbine with the most highly sought-after accessories. Magpul MOE SL handguards, MOE SL carbine stock, MOE SL pistol grip, MOE vertical grip and a Magpul Back-up Sight all come as standard equipment on this exceptional carbine.FeaturesMagpul MOE SL handguard, buttstock, pistol grip, & vertical gripSingle stage triggerReversible safety selectorChrome lined barrel