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Schwerer Gustav was the name of a Nazi railroad firearm. It was produced in the late 1930s by Krupp as attack mounted guns for the unequivocal motivation behind wrecking the principle strongholds of the French Maginot Line, the most grounded fortresses then in presence. The complete firearm weighed about 1,350 tons, and could shoot shells measuring seven tons to a scope of 47 kilometers. The firearm was planned in arrangement for the Battle of France, yet was not good to go when the fight started, and regardless the Wehrmacht’s Blitzkrieg hostile through Belgium quickly outmaneuvered and secluded the Maginot Line’s static guards, compelling them to surrender uneventfully and making their devastation superfluous.