Schwerer Gustav - Hitler's giant gun - How it worked and why it

The Gustav gun was a gun about 12 meters high, 47 meters long, weighing 1,350 tonnes and was firing 10 tonnes shells through a 30 meters long pipe. 22 people could sit aligned on the barrel of the gun.

How powerful was the 800mm Gustav gun? - Quora

South African Military History Society - Journal - HEAVY GUSTAV - The Story of a Gun

The Heavy Gustav, Hitler and generals inspecting the largest caliber rifled weapon ever used in combat, 1941 - Rare Historical Photos

In size and range, how did the biggest naval cannon of WWII compare to the biggest land-based cannon of WWII? - Quora

Hitler's Monster Tanks

World's BIGGEST / MOST POWERFUL GUN ever built! (Heavy Gustav Railway Gun.)

800mm (31.5 inch) German Artillery Dora

Krupp 80 cm Kanone Schwerer Gustav (Dora) Railway Gun

Hitler's Supert Tank: The Ratte

Second World War Weapons That Failed

Second World War Weapons That Failed

Schwerer Gustav: It's a Really Big Gun