The M16 fires the 5.56×45mm NATO cartridge. Spoiler Toggle Spoiler The M16 is the United States military designation for the AR-15 rifle adapted for semi-automatic, three-round burst and full-automatic fire.Ĭolt purchased the rights to the AR-15 from ArmaLite, and currently uses that designation only for semi-automatic versions of the rifle. The M4A1 is a loyal follower to the CoD series, having made its first appearance in Call of Duty 4, the M4A1 will likely make an appearance in Black Ops 2.

It is slated to eventually replace the M16 rifle for most combat units in the United States Army. The M4 carbine is heavily used by the U.S military. The carbine is also capable of mounting an M203 grenade launcher (the M203A1 with a 9-inch barrel as opposed to the standard 12-inch barrel of the M203 used on the M16 series) as well as its successor, the M320 grenade launcher. The M4 has selective fire options including semi-automatic and three-round burst (like the M16A2 and M16A4), while the M4A1 has the capability to fire fully automatic instead of three-round burst, like the M16A1 and M16A3. It is a gas-operated, air-cooled, magazine-fed, selective fire, shoulder-fired weapon with a telescoping stock.Ī shortened variant of the M16A2 rifle, the M4 has a 14.5 in (370 mm) barrel, allowing its user to better operate in close quarters combat. The M4 is a shorter and lighter variant of the M16A2 assault rifle, with 80% parts commonality. Spoiler Toggle Spoiler The M4 carbine is a family of firearms tracing its lineage back to earlier carbine versions of the M16 rifle, all based on the original AR-15 rifle designed by Eugene Stoner and made by ArmaLite.

Kap 45 black ops 2