The Mk 19 is a belt-fed, automatic grenade launcher developed by the United States. It fires 40mm grenades and is designed for use against enemy personnel and light vehicles. The weapon can be mounted on various platforms, including vehicles and tripods, and has a high rate of fire, making it effective in combat situations. This grenade launcher is known for its versatility and effectiveness in providing suppressive fire. It is commonly used by the U.S. military and has seen action in various conflicts since its introduction in the 1960s. The Mk 19 is valued for its ability to deliver explosive firepower over a wide area.