Description Colt M4 Carbine chambered in 5.56x45mm with one, thirty round Magpul PMAG and a 16″ 1/7 twist barrel with a A2 style birdcage flash hider. A2 style front gas block with adjustable front sight post and bayonet lug. Ribbed polymer carbine handguard. Black anodized flat top upper receiver with MBUS adjustable rear sight, standard charging handle, brass deflector, and forward assist. Black anodized forged aluminum lower receiver with standard AR15 controls, single stage trigger, and A2 style pistol grip. Four position buffer tube with telescoping polymer carbine stock. Front and rear sling swivel mounts. Comes in its factory box with matching serial number, manual, cable lock, and one magazine. Must ship to FFL holder. Check local laws regarding “High Capacity” magazines and “Assault Weapons” BEFORE bidding. Condition: New in box. Barrel Length: 16″ Serial: CR041526 Manufacturer: COLT Caliber: 5.56x45mm NATO Model: M4 Carbine Book# 01788