Colt Mfg CR6920MPSB M4 Carbine 5.56x45mm NATO 30+1 16.10" Black Barrel, Black Hard Coat Anodized Rec, A2 Front/Magpul MBUS Rear Sights, Black Collapsible Stock Black A2 Grip
This Semi-Automatic Colt Carbine is the standard by which all Modern Sporting Rifles and Law Enforcement Carbines are judged. It features a fixed A2 front sight and Magpul MBUS rear sight, a barrel with grenade launcher cutout, dual heatshield handguards, flat top upper receiver, and buttstock which define this modern classic.