FORCETALLY
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At a glance
M2 4.2-inch mortarlarger figure on 1 of 4
M30 mortarlarger figure on 3 of 4
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Length
Single source1.22 m (4 ft)[source]
Length
Single sourceConfiguration
| Specification | M2 4.2-inch mortar | M30 mortar |
|---|---|---|
| Type | Mortar[source] | Mortar[source] |
| Place of origin | United States[source] | United States[source] |
| In service | 1943–1974 (United States) 1943–present[source] | 1951–Present[source] |
| Used by | U.S. Army U.S. Marine Corps[source] | See Users |
1.524 m (5 ft)[source]
for 20 minutes
Single sourceindefinitely
Single source5 rpm for 20 minutes 1 rpm indefinitely[source]
max
Single sourcesustained
Single sourceMuzzle velocity
Single source250–256 m/s (820–840 ft/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Wars | World War II Korean War First Indochina War Vietnam War Cambodian Civil War Laotian Civil War Portuguese Colonial War[source] | Korean War Cambodian Civil War Laotian Civil War Vietnam War Portuguese Colonial War Third Indochina War Sino-Vietnamese War Lebanese Civil War Guatemalan Civil War Gulf War[source] |
|---|
| Designer | U.S. Chemical Warfare Service[source] | U.S. Chemical Warfare Service[source] |
|---|
| Shell | 11–13 kg (24 lb 4 oz – 28 lb 11 oz)[source] | — |
|---|
| Former operator · South Vietnam | — | South Vietnam[source] |
|---|
| Reported operators |
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|---|
Effective; Effective firing range · source measurement 2
Single source18 rpm max., 3 rpm sustained[source]