Mk 18 Mod 0 Grenade Launcher
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Mk 18 Mod 0 Grenade Launcher
Mk 18 Mod 0 grenade launcher
Mk 18 Mod 0 grenade launchers (right and on tripod) at the War Remnants Museum in Ho Chi Minh City.
Mk 18 Mod 0 grenade launchers (right and on tripod) at the War Remnants Museum in Ho Chi Minh City.
TypeGrenade launcher
Place of origin United States
Service history
In service1960s - Early 1970s
Used byUnited States Navy
WarsVietnam War
Production history
ManufacturerHoneywell Corporation and Aeronautical Products Division
No. built1200
Specifications
Crew2

Cartridge40 x 46 mm grenade
Caliber40mm
Barrels1
ActionHand cranked, manual reloading
Rate of fire250 rounds per minute
Effective firing range2200 yards
Feed systemBelt
SightsIron sights
A Mk 18 grenade launcher in use on a Patrol Craft Fast (on top of the dual .50 M2 Browning machine guns)

The Mk 18 Mod 0 was a 40x46mm grenade launcher used by the United States Navy during the Vietnam War and also the last known hand crank operated firearm since the Gatling gun. It was replaced by the Mk 19 grenade launcher in service with the United States Armed Forces.

Design

This weapon is a manually-operated, belt-fed. The use of a split breech mechanism allowed the weapon to be light and simple.

Test results

The Mark 18 was used primarily on small boats or in fixed positions such as bunkers; their primary users were the so-called "river rats" and the SEALs. They could be mounted on M2HB, M60, M1919 tripods, or pintle mounts, but could not be fired without such a mount.[]

A Mk 18 grenade launcher (upper) displayed at Hanoi Weaponry Museum

See also

References


  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

Mk_18_Mod_0_grenade_launcher
 



 



 
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