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.

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

• Mk 18 Mod 0 grenade launcher

References

• Mk20 Mod 0

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Blow forward firearms

Pistols

• Hino Komuro M1908 Pistol
• Schwarzlose Model 1908
• Steyr Mannlicher M1894

Rifles

• HIW VSK

Shotguns

• Pancor Jackhammer

Grenade launchers

• Howa Type 96
• Mk 20 Mod 0 grenade launcher