Weapons used by the U.S. Armed Forces
Deter, and if necessary, repel adversaries by enabling individuals and small units to engage targets with
accurate, lethal, direct fire.
Entered Army Service
Description and Specifications
The M4 Carbine is a compact version of the M16A2 rifle, with a collapsible stock, a flat-top upper receiver
accessory rail and a detachable handle/rear aperture site assembly. The M4 enables a soldier operating in
close quarters to engage targets at extended range with accurate, lethal fire. It achieves more than 85 percent
commonality with the M16A2 rifle and will replace all .45 caliber M3 submachine guns, selected M9 pistols, and
M16 series rifles.
Caliber: 5.56 mm
Weight: 7.5 lbs (loaded weight with sling & one magazine)
Max. Effective Range: 600 m (area target) 500 m (point target)
Colt Manufacturing (Hartford, CT)