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M79 with the leaf-type sights unfolded. 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. Its distinctive report has earned it colorful ...
40×46 mm LV (low velocity) [2] is a NATO-standard [3] high–low grenade launcher cartridge meant for hand-held grenade launchers, such as the M79, M203, Milkor MGL, Heckler & Koch AG36 and M320 Grenade Launcher Module. The propellant has low pressure and gives the projectile an average velocity of 78–84 m/s (256–276 ft/s) depending on the ...
M576 40 mm grenade. The M576 is a US Army designation for a 2.646 in (67.2 mm) long and 0.254 lb (0.12 kg) heavy US 40mm grenade buckshot load used in the M79, M203, M320, and M32 MGL grenade launchers. [1] It is olive drab with black markings.
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.
The M203 is a single-shot 40 mm under-barrel grenade launcher designed to attach to a rifle. It uses the same rounds as the older stand-alone M79 break-action grenade launcher, which utilizes the high-low propulsion system to keep recoil forces low. While compatible with many weapons, the M203 was originally designed and produced by the United ...
MEI Hellhound (grenade) The MEI Hellhound 40 mm low-velocity multi-purpose grenade is a fixed-type munition designed to be fired from a 40×46mm grenade launcher such as the M79, M203, M320 (attached to the M16 series of rifles or M4 carbine), or Milkor MK-1. [1][2] The round consists of a metal projectile body, a fuze, and a cartridge case ...
The MEI Mercury is a family of medium-range low-impulse 40mm grenade (40×46mmSR) developed by Martin Electronics, Inc. (MEI) that can reach out to 800 meters. The rounds are a fixed type ammunition designed to be fired from a 40 mm Grenade Launcher such as the M79, M203, M320 (attached to the M16 rifle or M4 carbine), or Milkor MK-1.
The grenade launcher was extremely light for its size, since a significant portion of it was made of aluminium. [1] Submitted for field trials in Vietnam, this weapon apparently performed quite well with HE-Frag ammunition. [1] The pump-action grenade launcher features leaf iron sights similar to the M79. The front sight is a fixed square notch.