30mm DS30M Mark 2 Automated Small Calibre Gun

DS30M
30mm DS30M Mark 2 fitted on NAM Atlântico
TypeGun turret for autocannon with automated mount or manual control
Place of originUnited Kingdom
Service history
In service2007–present
Used bySee operators
Production history
DesignerMSI-Defence Systems /Alliant Techsystems
Specifications
Barrel length94.88 inches (2,410 mm)

Shell30×173mm
Caliber30 millimetres (1.18 in) caliber
Muzzle velocity1,080 metres per second (3,500 ft/s) (HEI-T ammunition)
Effective firing range5,100 metres (16,700 ft)

The 30mm DS30M Mark 2 is a ship-protection system made by MSI-Defence Systems consisting of a 30mm Mark 44 Bushmaster II cannon on an automated mount. It was designed to defend Royal Navy frigates from fast inshore attack craft armed with short-range missiles, rocket-propelled grenades, machine guns, or explosives.