Soviet 45-mm Anti-Tank Gun m.1941
Because of the huge losses of anti-tank guns at the start of the war, it was made a decision to produce these guns in Leningrad. The design of the engineer Antonov was accepted for production. In the warehouses were stored more than 1,500 barrels of tank 45-mm guns 20-K, which went to work. The first guns were issued in August 1941. In total in 1941-1942 it was issued about 700 guns of this type.