Because warlike vehemence, the Kirov factory gave birth to casts the KV-1 of the quick-fried tower, named after the KV-1 model 1942 （heavy cast Turret), Turret in this kind of foundry contain better bullet-proof features, the armor thickness also comes to 95 mm of, the main firepower also changed to pack better types ZIS-5s in function 76.2 mm artillery.
