High Quality Content by WIKIPEDIA articles! The vortex ring gun is currently being developed. It fires a blank cartridge into a barrel which widens towards its muzzle. The pressure accelerates the air or gas in the barrel at high speed and it becomes a high-speed travelling vortex ring.The weapon has been proven to knock down a 75 kilogram (165 lb) human dummy from 10 meters away with a single shot; military use will need a range of more than 20 meters.This system will be designed to be handheld for single shots and mounted for multiple shot systems. It is planned to mount the vortex ring gun on a GL-6 repeating revolver 40 mm grenade launcher, or on the MK19-3 automatic 40-mm grenade launcher.

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