80 cm rail gun German WWII. heaviest ammo ever used
Rail Gun Bros.
REI Siegfried Railway Gun
On the move again, the 200-ton railway gun that could fire a shell THIRTEEN miles - http://www.warhistoryonline.com/war-articles/on-the-move-again-the-200-ton-railway-gun-that-could-fire-a-shell-thirteen-miles.html
German Leopold Rail Gun
British railway gun WW I.
German WW2 Railway Gun
ClassicPics @History_Pics The massive Schwerer Gustav 80cm railway gun, able of firing 7 tonne shells up to 47km. Used by the Germans in WWII