Mk 20 Mod 0 grenade launcher
The Mk 20 Mod 0 was a 40mm automatic grenade launcher manufactured by NOS Louisville which was used by the US Navy during the Vietnam War. The Mk 20 was eventually replaced by the Mk 19 Mod 3.
| Mk 20 Mod 0 | |
|---|---|
.jpg.webp) Mk 20 Mod 0 Grenade Launcher (left) at War Remnants Museum (Ho Chi Minh City) | |
| Type | Automatic grenade launcher |
| Place of origin | United States |
| Service history | |
| Used by | US Navy |
| Wars | Vietnam War |
| Production history | |
| Manufacturer | NOS Louisville |
| Specifications | |
| Mass | 26 pounds |
| Length | 27 ins |
| Barrel length | 12 ins |
| Cartridge | 40x46mm SR |
| Action | Blow-forward |
| Rate of fire | Semi-Automatic 250-275 RPM Full Automatic |
| Muzzle velocity | 250 feet per second |
| Effective firing range | 350m |
| Maximum firing range | 400m |
| Feed system | 24 round belt |
| Sights | Iron |
Design
It used a blow-forward mechanism that was previously used on semi-automatic pistols such as the Steyr Mannlicher M1894 and Schwarzlose Model 1908.
See also
References
| Pistols |  | |
|---|---|---|
| Rifles | ||
| Shotguns | ||
| Grenade launchers | ||
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