76 mm M1931: Soviet anti-aircraft gun
The M1931 was replaced in production in 1938 by the 76 mm air defense gun M1938 which had a four-wheeled dual-axle carriage with two collapsible outriggers. The M1931 and M1938 had nearly identical performance and were gradually replaced by the more powerful 85 mm air defense gun M1939.
Development: завод №8 (Kaliningrad (now Korolyov), Moscow Oblast, USSR)
Years of production: 1931—1939
Production: ± 4550
Crew: 8
Rate of fire: 17 rounds/minute
Muzzle velocity: 815 m/s
Fire range: 10 km
Weight: 3750 kg
