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At a glance
M2 4.2-inch mortarlarger figure on 1 of 3
M69 mortarlarger figure on 2 of 3
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 | M69 mortar |
|---|---|---|
| Type | Mortar[source] | Mortar[source] |
| Place of origin | United States[source] | Yugoslavia[source] |
| In service | 1943–1974 (United States) 1943–present[source] | — |
| Used by | U.S. Army U.S. Marine Corps[source] | — |
| Wars | World War II Korean War First Indochina War Vietnam War Cambodian Civil War Laotian Civil War Portuguese Colonial War |
1,324 millimetres (52.1 in)[source]
Muzzle 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.
| — |
| Designer | U.S. Chemical Warfare Service[source] | Military Technical Institute[source] |
|---|
| Shell | 11–13 kg (24 lb 4 oz – 28 lb 11 oz)[source] | — |
|---|
| Elevation | — | 45°–85°[source] |
|---|
| Traverse | — | 5.6°[source] |
|---|
| Feed system | — | muzzle-loaded[source] |
|---|
| Sights | — | NSB-3[source] |
|---|
| Reported operators |
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