M46/130 to 155 mm/45
155 mm/45 calibre gun converted from 130 mm M46
Conversion of the 130 mm M-46 gun into a 155 mm/45 calibre fire support weapon by replacing the barrel, breech block and muzzle brake, redesigning the counter-recoil sealing system and fitting a new sighting system, giving a 34% increase in range while retaining crew training, operation and maintenance similar to the original gun.
Also written: 155
Enlarge 155 mm/45 calibre gun converted from 130 mm M46
Specification
| Combat weight | 7800 kg |
|---|---|
| Field of action in traverse | 50° total (25° left and right) |
| Field of action in elevation | −2° to +45° |
| Barrel conversion | 155 mm / 45-calibre barrel with new breech-block assembly and twin-chamber cast muzzle brake |
| Maximum range with HE ERFB | 30.3 km |
| Maximum range with HE ERFB-BB M03 | 39 km |
| Range increase over standard M-46 | 34% |
| Ammunition compatibility | All standard 155 mm NATO ammunition |
| Sighting system | New optical-sight reticle in NATO mils (1/6000 or 1/6400) |
| Optional equipment | Pneumatic rammer and integrated FCS with weapon display |
| Length in travelling position | 11,170 mm |
| Height in travelling position | 2650 mm |
| Width in travelling position | 2400 mm |
| Clearance | 400 mm |
| Line-of-fire height | 1380 mm |
| Travelling weight | 8428 kg |
| Recoil-parts weight | 2930 kg |
| Elevation-parts weight | 3860 kg |
| Crew | 8+1 |
| Maximum rate of fire | 3 rounds/min |
| Maximum rate with optional pneumatic rammer | 3–4 rounds/min |
| Normal rate of fire | 1–2 rounds/min |
| Sustained rate of fire | 60 rounds in the first hour |
All data provided for information purposes; final specification is defined per contract.