| Mk 18 Mod 0 grenade launcher | |
|---|---|
Mk 18 Mod 0 Grenade Launchers (right and on tripod) at the War Remnants Museum (Ho Chi Minh City) |
|
| Type | Grenade Launcher |
| Place of origin | United States |
| Service history | |
| Used by | US Navy |
| Wars | Vietnam War |
| Specifications | |
| Crew | 2 men |
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|
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| Cartridge | 40x46mm grenade |
| Barrels | 1 |
| Action | Hand Cranked, Manual Reloading |
| Feed system | belt |
| Sights | Iron |
The Mk 18 Mod 0 was a 40x46mm grenade launcher used by the US Navy during the Vietnam War and also the last known hand crank operated firearm since the Gatling Gun. It has been replaced by the Mk 19 in service with the United States Armed Forces.