World War II infantry mortars of the Soviet Union

1930s towed 120 mm mortar family of Soviet origin

1943 towed 120 mm mortar model of Soviet origin

The M-37 or 82-BM-37 (батальонный миномёт, battalion mortar) is a Soviet 82 millimeter calibre mortar designed by B.I. Shavyrin and accepted into service in 1937. The design of the M-37 is based on the earlier French Brandt mle 27/31 mortar with Russian modifications. The main difference between the 82-PM-37 and the earlier 82-PM-36 was the adoption of a round base plate, revised traverse/elevation controls, simplified sights and spring-loaded shock absorbers on the bi-pod to reduce the amount of relaying needed between shots. It was designed to be able to fire western 81 mm captured ammu

1930s portable 37 mm mortar of Soviet origin

1930s portable 107 mm mortar of Soviet origin