57 mm anti-tank gun M1943 (ZiS-2)
| 57 mm anti-tank gun model 1943 (ZiS-2) | |
|---|---|
ZiS-2 in the Kremlin of Nizhny Novgorod, Russia | |
| Type | Anti-tank gun |
| Place of origin | Soviet Union |
| Service history | |
| Used by | See operators |
| Wars | World War II Vietnam War Portuguese Colonial War Lebanese Civil War North Yemen Civil War South African Border War |
| Production history | |
| Designer | design bureau of No. 92 Artillery Factory headed by V. G. Grabin |
| Produced | 1941, 1943–1945 |
| No. built | 10,016 |
| Specifications | |
| Mass | 1,250 kg (2,756 lb) |
| Length | 7.03 m (23 ft 1 in) |
| Barrel length | bore: 3.95 m (13 ft 0 in) L/69.3 overall: 4.16 m (13 ft 8 in) L/73 |
| Width | 1.7 m (5 ft 7 in) |
| Height | 1.37 m (4 ft 6 in) |
| Crew | 7 |
| Shell | Fixed QF 57×480 mmR (AP) |
| Caliber | 57 mm (2.24 in) |
| Breech | Semi-automatic vertical sliding-wedge |
| Recoil | Hydro-pneumatic |
| Carriage | Split trail |
| Elevation | -5° to 25° |
| Traverse | 56° |
| Rate of fire | 25 rpm cyclic 10 rpm practical |
| Muzzle velocity | 1,270 m/s (4,200 ft/s) |
| Maximum firing range | 8.4 km (5.21 miles) |
The ZiS-2 (Russian: ЗиС-2) (GRAU index: 52-P-271) is a Soviet 57 mm anti-tank gun used during World War II. The ZiS-4 is a version of the gun that was meant to be installed in tanks. ZiS stands for Zavod imeni Stalina (Russian Завод имени Сталина, 'Factory named after Stalin'), the official title of Artillery Factory No. 92, which produced the gun first.