82-PM-37

The M-37 (82-PM 37) is a Soviet 82 millimeter calibre mortar designed by B I Szayrin and accepted into service in 1937.

Its original source of this mortar is Brant 81mm Mortar Mle27/31. Soviet guys get some around 1936, and they copy it as soon as possible. Then, they made some upgrades, the most important one is they add a buffer between the tube and the braket. Fact|date=September 2008

It weights around 56 Kg, the longest range is 3040m, and can fire 25-30 shorts a minute.