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Rheinmetall Oerlikon Millennium Gun | |
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![]() Oerlikon Millennium 35mm Naval Revolver Gun System aboard the HDMS Absalon (F341) | |
Type | CIWS |
Place of origin | Switzerland |
Service history | |
In service | 2003–present |
Used by | Danish Navy Venezuelan Navy Indonesian Navy |
Production history | |
Designed | 1995 |
Manufacturer | Rheinmetall Air Defence, Oerlikon Contraves |
Specifications | |
Mass | Gun: 450 kg Installation: 3300 kg |
Length | 5.5 m |
Width | 2.39 m |
Height | 1.94 m |
Crew | unmanned |
Shell | 35×228mm |
Caliber | 35 mm |
Barrels | Singular |
Action | Gas-operated four-chamber revolver cannon[1] |
Elevation | -15 / +85 degrees rate: 70 degree/s |
Traverse | 360 degrees rate: 120 degrees per second |
Rate of fire | Single shot Rapid Single Shot: 200 rounds per minute Burst (automatic fire): 1000 rounds per minute |
Muzzle velocity | AHEAD: 1,050 m/s (3,400 ft/s) HEI: 1,175 m/s (3,850 ft/s) APDS/T: 1,440 m/s (4,700 ft/s) |
Effective firing range | 3,500–5,000 m (3,800–5,500 yd)[2] |
Feed system | 252 linkless rounds in installation |
The Rheinmetall Oerlikon Millennium Gun or Rheinmetall GDM-008 is a close-in weapon system designed by Rheinmetall Air Defence AG (formerly known as Oerlikon Contraves) for mounting on ships. It is based on the 35/1000 revolver gun land-based air defense system and uses Advanced Hit Efficiency And Destruction (AHEAD) ammunition.