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M72 Law




The M72 LAW (Light Anti-Tank Weapon) is a portable one-shot 66 mm Anti-tank Weapon , made in United States by Talley Defense Systems .


DESCRIPTION


The weapon consists of a Rocket packed inside launcher made up of two tubes, one inside the other. While closed, the outer assembly acts as a watertight container for the rocket and the percussion cap-type firing mechanism that activates the rocket. The outer tube contains the trigger, the arming handle, front and rear sights, and the rear cover. The inner tube contains the channel assembly which houses the firing pin assembly, including the detent lever. When extended, the inner tube telescopes outward toward the rear, guided by the channel assembly which rides in an alignment slot in the outer tube's trigger housing assembly. This causes the detent lever to move under the trigger assembly in the outer tube, both locking the inner tube in the extended position and cocking the weapon. Once armed, the weapon is no longer watertight even if the launcher is collapsed into its original configuration.

When fired, the propellant in the rocket motor completely combusts before leaving the tip of the launcher, producing gases around 1,400 °F (760 °C). The rocket propels the 66 mm warhead forward without significant recoil. As the warhead emerges from the launcher, 6 fins spring out from the base of the rocket tube, stabilizing the warhead's flight.

Once fired the launcher is no longer useful and may be discarded. Due to the single use nature of the weapon, it was issued as a round of Ammunition by the US Army .


AMMUNITION


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SPECIFICATIONS



Launcher

  • Length:

  • ---Extended: less than 1 m (34.67 in).

  • ---Closed: 0.67 m (24.8 in).

  • Weight:

  • ---Complete M72A2: 2.3 kg (5.1 lb).

  • ---Complete M72A3: 2.5 kg (5.5 lb).

  • Firing mechanism: Percussion.

  • Front sight: reticle graduated in 25 m range increments.

  • Rear sight: peep sight adjusts automatically to temperature change.



Rocket

  • Caliber: 66 mm (2.6 in)

  • Length: 508 mm (20 in).

  • Weight: 1.8 kg (2.2 lb).

  • Muzzle velocity: 145 m/s (475 ft/s).

  • Minimum range (combat): 10 m (33 ft).

  • Minimum arming range: 10 m (33 ft).

  • Maximum range: 1,000 m (3,300 ft).



Maximum effective ranges

  • Stationary target: 200 m (220 yd)

  • Moving target: 165 m (180 yd)

  • Beyond these ranges, there is less than a 50 % chance of hitting the target.



OTHER WEAPONS

The British Army also use a weapon known by the acronym LAW, see article LAW 80 .

The US Army tested other 66 mm rockets based on the M54 rocket motor used for the M72, including the '''M74''' and '''XM96'''. These rockets were used with the XM191 and M202 Flash 4 tube launchers.


EXTERNAL LINKS


''See also Rocket Propelled Grenade ''