Karl-Gerät ("Karl-device"), was a World War II German self-propelled siege mortar. Its heaviest munition was a 2,170 kg shell, and the range was just over 10 km. Seven guns were built, six of which saw combat between 1941 and 1945. In March 1936 Rheinmetall made a proposal for a super-heavy howitzer to attack the Maginot Line. Their initial concept was for a weapon that would be transported by several tracked vehicles and assembled on site, but the lengthy preparation time drove them to change it to a self-propelled weapon in 1937. Extensive driving trials took place in 1938. Firing trials...
] [ Comments
] [See why this is trending