Credit
B25es · CC BY-SA 3.0 · Resized · CC BY-SA 3.0 · Source ↗ · Modified
FORCETALLY
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At a glance
M45 quad mountlarger figure on 0 of 1
Rheinmetall Oerlikon Millennium Gunlarger figure on 1 of 1
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Configuration
| Specification | M45 quad mount | Rheinmetall Oerlikon Millennium Gun |
|---|---|---|
| Crew | two loaders and one gunner[source]M45 mount; operating crew roles | unmanned[source] |
| Type | Anti-aircraft gun , heavy machine gun[source] | CIWS[source] |
| Place of origin | United States[source] | Switzerland[source] |
| Wars | World War II First Indochina War Korean War Vietnam War Portuguese Colonial War Indo-Pakistani War of 1965 Lebanese Civil War 1978 South Lebanon conflict Nicaraguan Revolution 1982 Lebanon War Sino-Vietnamese War Third Indochina War Salvadoran Civil War |
Width
Single source2.39 m[source]
Effective; effective AA
Single sourceEffective; maximum AA
Single sourceMaximum
Single sourceMaximum; horizontal
Single source4,900 ft (1.5 km) (effective AA) 15,000 ft (4.5 km) (maximum AA)[source]
1.1 mi (1.8 km) (horizontal) 1.6 mi (2.5 km) (maximum)[source]
Effective; Effective firing range
Single source3,500–5,000 m (3,800–5,500 yd)[source]
L/50
Single source5 ft 3 in (1.6 m) L/50[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| — |
| Shell | .50 BMG (12.7×99mm NATO)[source] | 35×228mm[source] |
|---|
| Shell weight | 21 oz (.6 kg)[source] | — |
|---|
| Action | Short recoil-operated[source] | Gas-operated four-chamber revolver cannon[source] |
|---|
| Elevation | -5° to +90°[source] | -15 / +85 degrees rate: 70 degree/s[source] |
|---|
| Traverse | 360°[source] | 360 degrees rate: 120 degrees per second[source] |
|---|
| Feed system | Belt-fed (M2 or M9 links)[source] | 252 linkless rounds in installation[source] |
|---|
| Manufacturer | Maxon Manufacturing Co.[source] | Rheinmetall Air Defence , Oerlikon Contraves[source] |
|---|
| In service | — | 2003–present[source] |
|---|
| Used by | — | Danish Navy Venezuelan Navy Indonesian Navy[source] |
|---|
| Designed | — | 1995[source] |
|---|
| Developed into | — | Rheinmetall Oerlikon Skyranger 35[source] |
|---|
| Barrels | — | Singular[source] |
|---|
| Reported operators |
| — |
|---|