The US 75-mm tank gun M2 was the standard American tank gun of the Second World War. The M2 originated from the famous French Canon de 75 modele 1897 field gun of World War I fame, which was also adopted by the United States and used well into World War II as the 75-mm M1897 field gun. The primary round fired by the M2 was the M48 High Explosive. This round traveled at 625m/s and contained 1.5 pounds of TNT filling. The M48 was available in two versions, standard or supercharge. Supercharge increased the propellent charge for greater muzzle velocity. Other important rounds fired by the 75-mm...