Pak 57
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| Pak 57 Anti Tank gun | |
|---|---|
 Pak 57 | |
| Type | Anti-tank gun |
| Place of origin | Switzerland |
| Service history | |
| Used by | Switzerland |
| Wars | none |
| Production history | |
| Designed | 1940s |
| Specifications | |
| Mass | 716 kg (1,579 lb) |
| Crew | 3-4[1] |
| Cartridge | Fixed HEAT 3.15 kg (6 lb 15 oz)[1] |
| Caliber | 90 mm (3.5 in) |
| Rate of fire | 10 rounds per minute |
| Muzzle velocity | 600 m/s (2,000 ft/s) |
| Effective firing range | 300 m (330 yd) |
| Maximum firing range | 1,000 m (1,100 yd)[1] |
The Pak 57 was a Swiss 90 mm anti-tank gun used by the Swiss army.