Tags: Weapon.
203 mm howitzer M1931 (B-4) (Russian: 203-мм гаубица обр. 1931 г. (Б-4)) was a 203 mm (8 inch) Soviet heavy howitzer. During the Great Patriotic War it was under the command of the Stavka’s strategic reserve. It was nicknamed Stalin’s sledgehammer by German soldiers. These guns were used with success against heavy German fortifications and in urban combat for crushing protected buildings and bunkers.
