76 mm air defense gun M1931
The 76 mm air defense gun M1931 (Russian: 76-мм зенитная пушка обр. 1931 г.) was an anti-aircraft gun used by the Soviet Union during the Winter War and the first stages of World War II.
| 76 mm air defense gun M1931 | |
|---|---|
76 mm M1931 at Kempele, Finland. | |
| Type | Anti-aircraft gun |
| Place of origin | Soviet Union |
| Service history | |
| Used by | Soviet Union Finland Nazi Germany |
| Wars | Winter War World War II |
| Production history | |
| Produced | 1931–1938 |
| Specifications | |
| Mass | Travel: 4,820 kg (10,630 lb) Combat: 3,650 kg (8,050 lb) |
| Barrel length | 4.1 m (13 ft 5 in) L/55 |
| Crew | 10 |
| Shell | Fixed QF 76.2 × 558 mm. R |
| Shell weight | 6.6 kg (14 lb 9 oz) |
| Caliber | 76.2 mm (3 in) |
| Breech | Semi-automatic vertical sliding-wedge |
| Recoil | Hydro-pneumatic |
| Carriage | Two-wheeled carriage with collapsible cruciform outriggers |
| Elevation | −2° to +82° |
| Traverse | 360° |
| Rate of fire | 10–20 rounds per minute |
| Muzzle velocity | 815 m/s (2,670 ft/s) |
| Maximum firing range | 9.3 km (31,000 ft) AA ceiling |
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