Tags: Weapon.
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 It has been replaced by the Mk 19 in service with the United States Armed Forces.This weapon is a manually operated belt fed rapid-fire 40mm grenade launcher designed to provide coverages of targets with high explosive fragmenting grenades.
