United States Marine Corps Weapons & Equipment
MK19 40mm Machine Gun, MOD 3
Manufacturer: Saco Defense Industries
Length: 43.1 inches (109.47 centimeters)
Weight:
Gun: 72.5 pounds (32.92 kilograms)
Cradle (MK64 Mod 5): 21.0 pounds (9.53 kilograms)
Tripod: 44.0 pounds (19.98 kilograms)
Total: 137.5 pounds (62.43 kilograms)
Muzzle velocity: 790 feet (240.69 meters) per second
Bore diameter: 40mm
Maximum range: 2200 meters
Maximum effective range: 1600 meters
Rates of fire:
Cyclic: 325-375 rounds per minute
Rapid: 60 rounds per minute
Sustained: 40 rounds per minute
Unit Replacement Cost: $13,758
Features: The MK19 40mm machine gun, MOD 3 is an air-cooled, disintegrating metallic link-belt fed, blowback operated,
fully automatic weapon and is crew transportable over short distances with limited amounts of ammunition. It can
fire a variety of 40mm grenades. The M430 HEDP 40mm grenade will pierce armor up to 2 inches thick, and will produce
fragments to kill personnel within 5 meters and wound personnel within 15 meters of the point of impact. Associated
components are: MK64 Cradle Mount, MOD 5; M3 Tripod Mount; and the AN/TVS-5 Night Vision Sight. The MK19 also mounts
in the up-gunned weapons station of the LVTP7A1 model of the AAV and vehicle ring mounts.
Background: The MK19 was originally developed to provide the U.S. Navy with an effective riverine patrol weapon
in Vietnam. A Product Improvement Program was initiated in the late 1970s resulting in the MK19 Mod 3.
Information and Photos Courtesy of United States Marine Corps
