30mm DS30M Mark 2 Automated Small Calibre Gun
| DS30M | |
|---|---|
30mm DS30M Mark 2 fitted on NAM Atlântico | |
| Type | Gun turret for autocannon with automated mount or manual control |
| Place of origin | United Kingdom |
| Service history | |
| In service | 2007–present |
| Used by | See operators |
| Production history | |
| Designer | MSI-Defence Systems /Alliant Techsystems |
| Specifications | |
| Barrel length | 94.88 inches (2,410 mm) |
| Shell | 30×173mm |
| Caliber | 30 millimetres (1.18 in) caliber |
| Muzzle velocity | 1,080 metres per second (3,500 ft/s) (HEI-T ammunition) |
| Effective firing range | 5,100 metres (16,700 ft) |
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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.