FN® MK 19 | FN®

The MK19 is a 40mm, fully automatic, blowback operated, air cooled machine gun. Production first began in 1967 for the U.S. Navy during the Vietnam War. It replaced the hand-cranked MK18. The MK19 is designed for a tripod or vehicle mount and operation. One of the initial applications was for the Patrol Boat, Riverine (PBR).