Credit
United States Navy, Lt. Ed Early · Public domain · Resized · Public domain · Source ↗ · Modified
FORCETALLY
Loading the evidence…
Preparing your view.
Preparing your view.
Measured figures
Mark 3 per complete round
Single sourceMark 3 weight including 1,000 rounds onboard, each weighing
Single sourceConfiguration
| Specification | Bofors 57 mm Naval Automatic Gun L/70 | Otobreda 127/54 Compact |
|---|---|---|
| Crew | — | remote controlled[source] |
| Type | Naval artillery[source] | Naval gun[source] |
| Place of origin | Sweden[source] | Italy[source] |
| In service | 1971–present[source] | — |
Mark 3: 14,000 kg (31,000 lb ) (weight including 1,000 rounds onboard, each weighing 6.5 kg (14 lb) per complete round)[source]
HE round
Single source1,035 m/s (3,400 ft/s) (HE round)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Used by |
|---|
See users[source] |
See users[source] |
| Designer | Bofors Defence[source] | Oto Melara[source] |
|---|
| Designed | Mark 1: 1970 Mark 2: 1981 Mark 3: 1995[source] | — |
|---|
| Manufacturer | Bofors Defence (1970–2000) United Defense (2000–2005) BAE Systems AB (2005 onwards)[source] | — |
|---|
| Produced | Mark 1: 1970 Mark 2: 1985 Mark 3: 2000[source] | — |
|---|
| Variants | See variants[source] | Otobreda 127/64[source] |
|---|
| Shell | 57 × 438 mm R (m/70) 6.1 kg (13 lb ) complete round 2.4 kg (5.3 lb ) pre-fragmented shell[source] | 127x835mmR shell weight: 29 to 31 kg (64 to 68 lb)[source] |
|---|
| Barrels | Single barrel (progressive RH parabolic twist, 24 grooves)[source] | — |
|---|
| Action | Electronic firing[source] | — |
|---|
| Elevation | Mark 1: −10°/+78° (40°/s) Mark 2: −10°/+75° (40°/s) Mark 3: −10°/+77° (44°/s)[source] | −15°/+83°[source] |
|---|
| Traverse | Full 360°: Mark 1: 55°/s Mark 2: 55°/s Mark 3: 57°/s[source] | 360° speed: 40°/s[source] |
|---|
| Feed system | Magazine : Mark 1: 40 ready rounds, 128 rounds in ready racks in mount Mark 2: 120 ready rounds, up to 40 rounds in dual hoists Mark 3: 120 ready rounds, up to 40 rounds in dual hoists, 1,000 rounds in mounting[source] | Magazine capacity : 66 ready rounds[source] |
|---|
| Sights | Gyro-stabilized in local control.[source] | — |
|---|
| Reported operators |
| — |
|---|
±30 km (100 km with guided VULCANO ammunition)[source]