Bofors 40 Mk4

The Bofors 40 Mk4 naval gun system is a lightweight multi-purpose naval cannon. It fires programmable Bofors 40 mm 3P all-target ammunition to engage ships, aircraft, anti-ship missiles and shore targets. It is a modern naval version of the Bofors 40 mm L/70۔ The gun can engage target in less than 0.5 seconds after the warning.

Bofors 40 Mk4
Bofors 40 Mk4 naval gun with on-mount TV camera and muzzle velocity radar on board Japanese patrol vessel Shunkō
TypeNaval gun
Place of originSweden
Service history
In service2012–present
Used bySee operators
Production history
DesignerBAE Systems AB
ManufacturerBAE Systems AB
Produced2009-present
Specifications
MassEmpty: 2,300 kilograms (5,100 lb)
Crewremote controlled with gyro-stabilised local control back-up

Shell40 × 365
cartridge weight 2.5 kilograms (5.5 lb)
shell weight 0.975 kilograms (2.15 lb)
Caliber40 mm (1.6 in)
Elevation−20°/+80°
Traverse360°
Rate of fire300 rounds/min
Muzzle velocity1,012 m/s (3,320 ft/s)
Maximum firing range12,500 m (7.8 mi)
Feed systemMagazine capacity:
100 ready rounds
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