The M240 machine gun is a versatile, belt-fed, gas-operated firearm used by the military. It fires 7.62x51mm NATO cartridges and is known for its reliability and accuracy in various combat situations. The M240 can be mounted on vehicles, aircraft, or used as a portable weapon by infantry. This machine gun has several variants, including the M240B and M240L, each designed for specific roles. It features a quick-change barrel to prevent overheating during sustained fire. The M240 is widely used by the U.S. Armed Forces and has seen action in numerous conflicts around the world.