The 7.5cm PaK40 was a German anti-tank gun used during World War II. It was one of the most effective anti-tank guns of the war, capable of penetrating most Allied tanks from long ranges. The gun weighed around 1.4 tons and had a maximum range of 12,000 meters. The PaK40 was equipped with a powerful 75mm gun that fired armor-piercing rounds with a muzzle velocity of 790 meters per second. It was also equipped with a high-explosive round that could be used against soft targets. The gun was usually manned by a crew of six and was mounted on a two-wheeled carriage that could be easily moved into position. The PaK40 was used extensively by the German army throughout the war and was particularly effective on the Eastern Front against Soviet tanks. Despite its effectiveness, the PaK40 was eventually surpassed by more advanced anti-tank weapons developed by the Allies. However, it remains an important and iconic weapon of World War II and is still used by some armies today.