M57
60 mm mortar M57
A smooth-bore 60 mm mortar for fire support within infantry units, firing at high elevations from 45° to 85° to strike enemy sheltered by trenches or other obstacles, and comprising barrel with breechblock, base plate, bipod support, sighting device and a weapon set of tools, spares and accessories.
Also written: 60
Enlarge 60 mm mortar M57
Specification
| Caliber | 60,75 mm |
|---|---|
| Length of barrel with breech piece | 725 mm |
| Mass of weapon in combat position | 19,7 kg |
| Vertical field of action | 45° ÷ 85° |
| Horizontal field of action, without shifting of bipod | left 3°, right 3° |
| Horizontal field of action, with shifting of bipod | 360° all around |
| Rate of fire | 20 ÷ 25 shells/min |
| Maximum range with shell M73 | 2537 m |
| Minimum range | 74 m |
| Maximum barrel pressure | 422 bar |
| Sighting device | NSB-3 |
| Number of operators | 2(1) |
All data provided for information purposes; final specification is defined per contract.