Schwerer Gustav - The Greatest, And Most Useless Gun Ever Put Into

Gustav fired a total of 48 shells at Sevastopol, most of which were aimed at Soviet fortresses. Berlin threw away more 1,000 tons of steel for 48 shots.

Schwerer Gustav - Hitler's giant gun - How it worked and why it turned out to be a disaster

Krupp 80 cm Kanone Schwerer Gustav (Dora) Railway Gun

Schwerer Gustav: The World's Biggest Gun Ever Built

Which modern gun can outmatch the WW2 800mm Schwerer Gustav? - Quora

These are the 6 largest guns ever used in combat

The 6 Most Gigantic Everything in the History of War

The Schwerer Gustav, the largest calibre rifled gun ever used in combat. It was 1350 tonnes in weight, firing a 7 tonne 800mm shell (right) up to 47Km - 9GAG

What is the worst range weapon throughout all of history? - Quora

The Most Ridiculous Weapons In History People Actually Used

The UnMuseum: Schwerer Gustav - World's Biggest Gun