Mk 19 grenade launcher
|Mk 19 grenade launcher|
A Mk 19 40mm grenade launcher mounted on an M3 tripod.
|Type||Automatic grenade launcher|
|Place of origin||United States of America|
|Used by||See Users|
Persian Gulf War
War in Afghanistan
2006 Lebanon War
Mexican Drug War
|Designer||Naval Ordnance Center - Louisville|
|Manufacturer||Saco Defense Industries (now a division of General Dynamics Armament and Technical Products), Combined Service Forces|
|Variants||Mk 19 Mod 0, Mk 19 Mod 1, Mk 19 Mod 2, Mk 19 Mod 3|
|Weight||30.7 kilograms (68 lb) (empty, without accessores)|
|Length||1,090 millimetres (43.1 in)|
|Barrel length||413 millimetres (16.25 in)|
|Width||240.4 millimetres (9.46 in)|
|Height||199 millimetres (7.8 in)|
|Action||Blowback (Advanced Primer Ignition)|
|Rate of fire||325–375 rpm (cyclic)|
|Muzzle velocity||240 metres per second (790 ft/s) (average)|
|Effective range||1,400 metres (1,500 yd)|
|Maximum range||2,023 metres (2,212 yd)|
|Feed system||32 or 48 grenades belt|
The Mk 19 Grenade Launcher is an American 40 mm belt-fed automatic grenade launcher that entered U.S. military service during the Cold War, first seeing action during the Vietnam War and remaining in service to the present day.
The Mk 19 is a belt fed, blowback operated, air cooled, crew served, fully automatic weapon that is designed not to cook off. It fires 40mm grenades at a cyclic rate of 325 to 375 rounds per minute, giving a practical rate of fire of 60 rounds per minute (rapid) and 40 rounds per minute (sustained). The weapon operates on the blowback principle, which uses the chamber pressure from each fired round to load and re-cock the weapon. The Mk 19 can launch its grenade at a maximum distance of 2,212 meters, though its effective range to a point target is about 1,500 meters, since the large rear leaf sight is only graduated to 1,500 meters. The nearest safe distance to launch the grenade is 310 meters in training and 75 meters in combat. Though the Mk 19 has a flash suppressor, it serves only to save the eyesight of its operator; it does not conceal the weapon's position. For night, operation, an AN/TVS-5 night vision sight can be fitted.
The Mk 19A man-portable crew-served weapon that can fire from a tripod mounted position or from a vehicle mount, with the latter being the preferred method as the weapon alone weighs 32.9 kilograms (72.5 lb). The primary ammunition for is the high-explosive dual-purpose M430 grenade. On impact, the grenade can kill anyone within the radius of five meters, and wound them within the radius of 15 meters. It can also punch through 5.1 centimetres (2 in) of rolled homogeneous armor with a direct hit (0 Degree Obliquity), which means it can penetrate most infantry fighting vehicles and armored personnel carriers. It is especially effective when used against enemy infantry formations. The ammunition comes in cans that hold a 32 or 48 grenades belt weighing 19 and 27 kilograms (42 and 60 lb), respectively. Due to its low recoil and comparatively light weight, it has been adapted for use on many different platforms, including small attack boats, fast attack vehicles such as the Humvee (HMMWV), AAV and Stryker, military jeeps and a large variety of naval mounts.
The Mk 19 automatic grenade launcher replaced the earlier Mk 18 hand-cranked multiple grenade launcher. The 40 mm ammunition used (40x53mm) is not interchangeable with that used in the M203 (40x46mm). The M203 ammunition develops a lower chamber pressure, and resultant lower muzzle velocity and range, compared to ammunition loaded for the Mk-19. The Mk 19 fires from an open bolt. The rounds are mechanically fed onto the bolt face with the pull of the charging handles. When the trigger is pressed, the bolt closes, and the firing pin is released. The recoil blows back the bolt, feeds a new round onto the bolt face, which pushes the expended casing off the bolt face.
Production of the Mk 19 is managed by Saco Defense Industries (now a division of General Dynamics Armament and Technical Products).
- Argentina Argentine Marines.
- Brazil
- Djibouti
- Egypt: Manufactured locally.
- Iran
- Israel: Adopted by the Israeli Defence Forces (under the name "Maklar," for mikla rimonim or "grenade machinegun"), to be fielded in infantry and mechanized units. The Mk 19 was formerly manufactured locally.
- Mexico: Used extensively by the army in the Mexican drug war.
- Pakistan: Used by the Pakistan Army.
- Philippines
- Poland: Most are in use by Polish Troops in Afghanistan.
- Sweden: Designated Grsp 92. Used by Kustjägarna and Amfibiebataljonen and also by the 31st Airborne Battalion (Luftburna bataljonen) 
- Thailand
- Turkey: Turkish Army and Turkish Special Forces 
- United States of America: Currently in widespread use throughout the U.S. Armed Forces
- XM174 grenade launcher - predecessor used by the U.S. military during the Vietnam War
- Mk 47 Mod 0 Striker - U.S. military successor in limited service
- List of automatic grenade launchers
- AGS-17 similar weapon
- Comparison of automatic grenade launchers
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|Wikimedia Commons has media related to Mk 19 grenade launcher.|
- Scribd - US Army field manual, 2003.
- General Dynamics
- MK19 MOD 3 40mm Machine Gun - Global Security
- 40mm grenades - Global Security
- M430 40mm Cartridge High-explosive dual purpose (HEDP) round specs
- Martin Electronics, Inc. Home Page - 40 mm Ammunition