What kinds of bullets were used in world war 2?

During World War II, various types of bullets were used, primarily depending on the weapon systems and ammunition types. Common calibers included .30-06 Springfield and .303 British for rifles, while submachine guns often utilized 9mm Parabellum rounds. The war also saw the use of armor-piercing, tracer, and incendiary bullets, which were designed for specific tactical purposes. Additionally, artillery shells and bombs contained explosive projectiles that significantly impacted combat operations.