80 cm Gustav Railway Gun

Schwerer Gustav - Wikipedia

How powerful was the 800mm Gustav gun? - Quora

All About Schwerer Gustav & DORA Der Deutsche Stahlhelm 1939's Blog

Where is Schwerer Gustav (an 800 mm German railway gun) now? - Quora

German Railgun - Zarco Macross

Shell, 80 cm (Schwerer Gustav), with aerodynamic cap

WT Live // Image by _PabloSniper_

Now that's what I call a gun! AnandTech Forums: Technology, Hardware, Software, and Deals

Weapons Of Great Wars - Schwerer Gustav was the name of a German 80 cm railway gun. It was the largest-calibre rifled weapon ever used in combat, the heaviest mobile artillery piece

South African Military History Society - Journal - HEAVY GUSTAV