Schwerer Gustav was a German heavy 800mm railway gun. The cannon weighed 1350 tonnes, and the shell weight was 7 tonnes. The railway gun shot in the radius of 47 km. The gun itself was used in siege of Sevastopol, siege of Leningrad. However, 𝔖𝔠𝔥𝔴𝔢𝔯𝔢𝔯 𝔊𝔲𝔰𝔱𝔞𝔳 was destroyed by the Germans itself to avoid capture by the Soviet Red Army.










