What type of ammunition is primarily used with the M240 machine gun?

The M240 machine gun primarily uses 7.62mm NATO ammunition, which is recognized for its effectiveness in a variety of combat scenarios. This caliber provides a good balance between range, stopping power, and recoil management, making it suitable for a medium machine gun designed to provide sustained, high-volume fire.

7.62mm NATO ammunition is also compatible with various other weapons, allowing for logistical flexibility in military operations. This caliber's penetration and impact capabilities are critical for engaging enemy targets effectively, whether in defensive or offensive maneuvers. The use of 7.62mm rounds helps the M240 fulfill its role as a reliable support weapon on the battlefield, delivering accurate fire against personnel and light material targets.

In comparison, the other ammunition types listed—5.56mm NATO, .30 caliber, and 10mm tactical—are not designed for use with the M240. The 5.56mm NATO is used primarily in individual rifles and light machine guns, emphasizing lightweight and manageable recoil. The .30 caliber ammunition refers to older weapon systems and is not standard in contemporary military operations. The 10mm tactical, while used in some specialized handguns, does not meet the requirements for medium machine gun operations like the M240.