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The M79 grenade launcher is a single-shot, shoulder-fired, break-action grenade launcher that fires a 40×46mm grenade, which uses what the US Army calls the High-Low Propulsion System to keep recoil forces low, and first appeared during the Vietnam War.
Older cartridges designed specifically for the M79 grenade launcher or the AN/M8 pyrotechnic pistol also remain in inventory. The XM674/M674 is a CS riot control agent cartridge. The unit contains 90-100 grams of CS mixture, with a 2-7 second ignition delay and burn time of 10 to 40 seconds. The round is effective to a distance of 65 to 90 meters.
40 mm grenade: Israel 2009 Grenade launcher for the X95 and Galil ACE rifles HK269: Heckler & Koch: 40 mm grenade: Germany 2000s Variant of the AG-C with a shorter barrel for the HK 416 and the HK 417: M79 grenade launcher: Springfield Armory Action Manufacturing Company Kanarr Corporation [2] Thompson-Ramo-Wooldridge: 40 mm grenade: United ...
A United States Army Special Forces advisor instructing a Vietnamese Civilian Irregular Defense Group trainee on how to use an M79 grenade launcher. A grenade launcher [1] [2] [3] is a weapon that fires a specially designed, large-caliber projectile, often with an explosive, smoke, or gas warhead.
The most well known use of the high-low system was by the U.S. Army, with the introduction of the M79 grenade launcher, shortly before the Vietnam War. The M79 fired a 40 mm shell which contained a standard fragmentation grenade with a modified fuze. The cartridge casing contains a heavy cup-shaped "high pressure chamber" in the bottom.
M79: 40×46mm grenade: Grenade launcher United States: A single example discovered in a large hidden arms bunker under a farm outhouse in Gormanston, County Meath in 1991. [104] In 1981 the Harrison Network was trying to acquire 40 mm grenades suitable for an M79 grenade launcher, according to FBI testimony. [105]
Box full of 40×53 mm high-velocity grenades A 40×46 mm low-velocity training round being fired from an M203 grenade launcher. This is a general collection of the world's many types of ammunition for grenade launchers in 40 mm (1.57 in) caliber. Several countries have developed or adopted grenade launchers in 40 mm caliber. [1]
The Mark 19 Automatic Grenade Launcher, first fielded by the United States in 1966, and still widely used today, weighs 62.5 kg (137.58 lb) when attached to its tripod, and loaded with a box of ammunition. [3] For comparison, the single-shot M79 grenade launcher weighs 2.93 kg (6.45 lb).