Description: 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.





General Characteristics, 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:

40 mm





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