SN-42 steel body armor is the standard equipment of Soviet assault engineers, and it is also one of the symbols of this elite force. During World War II, the Soviet Union set up more than 20 assault engineering brigades with huge equipment. It is the standard equipment of Soviet combat engineering, all-steel combat vest, with total weight 12KG. Although heavy, it was still useful in World War II. The 9* 19 Parabelen pistol with a nominal range of 100 meters is a European standard pistol caliber, which is widely used in pistols and submachine guns prepared by German and Axis countries, such as Luger P08, walser P38 and Schmeisser MP38/40. Body armor cannot defend against all-around rifles in World War II, such as the German 7.92*57 Mao Se rifle or the following are examples of physical use:
Source: Wikipedia entry and online article "Soviet SN-42 body armor in World War II", thanks to the author.