Credit
Sutabania · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
FORCETALLY
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Measured figures
Empty
Single sourceEmpty: 2,300 kilograms (5,100 lb )[source]
Mark 3 per complete round
Single sourceConfiguration
| Specification | Bofors 40 Mk4 | Bofors 57 mm Naval Automatic Gun L/70 |
|---|---|---|
| Crew | remote controlled with gyro-stabilised local control back-up[source] | — |
| Type | Naval gun[source] | Naval artillery[source] |
| Place of origin | Sweden[source] | Sweden[source] |
| In service | 2012–present[source] | 1971–present |
Mark 3 weight including 1,000 rounds onboard, each weighing
Single sourceMark 3: 14,000 kg (31,000 lb ) (weight including 1,000 rounds onboard, each weighing 6.5 kg (14 lb) per complete round)[source]
Bore length
Single sourceWith flash hider
Single sourceWithout flash hider
Single sourceBore length: 3,990 mm (157.09 in) Without flash hider: 4,045 mm (159.25 in) With flash hider: 4,345 mm (171.06 in)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Used by | See operators[source] | See users[source] |
|---|
| Designer | BAE Systems AB[source] | Bofors Defence[source] |
|---|
| Manufacturer | BAE Systems AB[source] | Bofors Defence (1970–2000) United Defense (2000–2005) BAE Systems AB (2005 onwards)[source] |
|---|
| Produced | 2009–present[source] | Mark 1: 1970 Mark 2: 1985 Mark 3: 2000[source] |
|---|
| Shell | 40 × 365 cartridge weight 2.5 kilograms (5.5 lb ) shell weight 0.975 kilograms (2.15 lb )[source] | 57 × 438 mm R (m/70) 6.1 kg (13 lb ) complete round 2.4 kg (5.3 lb ) pre-fragmented shell[source] |
|---|
| Elevation | −20°/+80°[source] | Mark 1: −10°/+78° (40°/s) Mark 2: −10°/+75° (40°/s) Mark 3: −10°/+77° (44°/s)[source] |
|---|
| Traverse | 360°[source] | Full 360°: Mark 1: 55°/s Mark 2: 55°/s Mark 3: 57°/s[source] |
|---|
| Feed system | Magazine capacity : 100 ready rounds[source] | 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] |
|---|
| Designed | — | Mark 1: 1970 Mark 2: 1981 Mark 3: 1995[source] |
|---|
| Variants | — | See variants[source] |
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| Barrels | — | Single barrel (progressive RH parabolic twist, 24 grooves)[source] |
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| Action | — | Electronic firing[source] |
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| Sights | — | Gyro-stabilized in local control.[source] |
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| Reported operators |
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