M30 mortar
The M30 106.7 mm (4.2 inch, or "Four-deuce") heavy mortar is an American rifled, muzzle-loading, high-angle-of-fire weapon used for long-range indirect fire support to infantry units.
| M30 | |
|---|---|
| Type | Mortar |
| Place of origin | United States |
| Service history | |
| In service | 1951–Present |
| Used by | See Users |
| Wars | Korean War Laotian Civil War Vietnam War Portuguese Colonial War Lebanese Civil War Guatemalan Civil War Gulf War |
| Production history | |
| Designer | U.S. Chemical Warfare Service |
| Specifications | |
| Mass | 305 kg (672.25 lb) |
| Length | 1.524 m (5 ft) |
| Caliber | 106.7 mm (4.2 in) |
| Rate of fire | 18 rpm max., 3 rpm sustained |
| Effective firing range | 770 m to 6,840 m (840 yd to 7,480 yd) |
| Maximum firing range | 6,840 m (7,480 yd) |
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