The Mk19 Grenade Machine Gun is an air-cooled, disintegrating metallic link-belt fed, blowback operated, fully automatic weapon. It can fire a variety of 40mm grenades. It is crew transportable over short distances with limited amounts of ammunition. The weapon delivers a heavy volume of accurate and continuous firepower against enemy personnel and lightly armored vehicles, as well as hovering rotary-wing aircraft. It is also able to provide indirect fire into an engagement area from a hidden position.