What caliber does the M2 Heavy Machine gun fire?

The M2 Heavy Machine Gun fires the .50 caliber round. This specific caliber is known for its stopping power and range, making it highly effective in both anti-aircraft and anti-vehicle roles. The .50 BMG (Browning Machine Gun) cartridge is significantly larger and more potent than the other calibers listed, which are used in different firearms and applications.

For context, the .30 caliber is typically associated with earlier machine guns and rifles, while the 7.62mm caliber is commonly used in rifles like the M14 and the M240. The 9mm caliber is generally found in sidearms and some submachine guns. Understanding the specific ammunition type for the M2 is crucial as it impacts the gun's performance, tactical application, and the types of targets it can effectively engage.