A German Krupp railway gun firing at a distant target. It was the most commonly used German railway gun of World War II.
Schwerer Gustav and Dora, largest caliber rifled guns ever, firing 7 ton shells, German
historical-photos-rare- Hitler inspecting the massive “Schwerer Gustav” railway gun from afar. It was the largest-calibre rifled weapon ever used in combat, and fired the heaviest shells of any artillery piece.
Watch: Firing the 80 cm Railway Gun 'Schwerer Gustav'
Schwerer Gustav: Biggest Gun Ever Used in Combat: German engineers create a beastly cannon so large that it requires custom tracks to transport it.
“The monstrous 800 mm inches) shells used by the equally monstrous Schwerer Gustav railway gun, the heaviest artillery piece ever fielded in combat.