Karabin maszynowy obserwatora wz.37
The karabin maszynowy obserwatora wz.37 (Polish for "Observers Machine Gun") is a Polish version of the Browning wz.1928. It was a flexible machine gun used in some Polish airplanes in the beginning of World War II.
| Karabin maszynowy obserwatora wz.37 | |
|---|---|
| Type | aerial, flexible machine gun |
| Place of origin | Poland |
| Service history | |
| In service | 1937 to 1949 |
| Used by | See Users |
| Wars | World War II |
| Production history | |
| Designed | 1937 |
| Manufacturer | Państwowa Fabryka Karabinów |
| Produced | 1937 to 1939 |
| No. built | 339-24,000 |
| Specifications | |
| Mass | 7 kg (15 lb) (empty) |
| Length | 1,110 mm (44 in) |
| Barrel length | 611 mm (24.1 in) |
| Cartridge | 8x57mm IS |
| Caliber | 7.9mm |
| Action | gas operated |
| Rate of fire | 1100 round/min |
| Muzzle velocity | 853 m/s (2,800 ft/s) |
| Feed system | 91 rounds |
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