| Infantry mortar|
56 kilograms (123 lb)
| Soviet Union|
World War II
1.22 metres (4 ft)
Egypt - Helwan M-69 82mm mortar
People's Republic of China - Type 53 82mm mortar.
People's Republic of Kampuchea
Syria – 200 mortars (PM-37)
The M-37 or 82-BM-37 (батальонный миномёт) is a Soviet 82 millimeter calibre mortar designed by B.I. Szayrin 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 M-37M is an improved version with lighter base plate and a device to prevent double loading.