M1938 mortar
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The 120-PM-38 or M1938 was a 120 mm Soviet mortar that was used in large numbers by the Red Army during World War II. Although a conventional design its combination of light weight, mobility, heavy firepower and range saw its features widely... Wikipedia
Barrel length: 1.86 m (6 ft 1 in) L/15.5
Caliber: 120 mm (4.7 in)
Crew: 6
Effective firing range: 6 km (3.7 mi)
Place of origin: Soviet Union
Rate of fire: 10 rpm
Shell: 16 kg (35 lb)