I was watching Future Weapons on TV last night and they were discussing a new weapon system called Metal Storm. It can fire "smaller" caliber rounds at the rate of over 1,000,000 rounds per minute and can fire 40mm grenades at 250,000 rounds per minute. The handgun version fires 3 rounds before the recoil even moves the weapon and it has 4 barrels.
The secret is in the fact that the only moving part is the round itself, so they are able to load the rounds right behind each other in the barrel (separated only by a thin layer of propellant). The rounds are individually fired by an electronic signal sent down the barrel. It is some pretty impressive technology, and it is even rumored that they are trying to adapt it to firefighting. I guess if you load 40mm grenades with fire suppressing agents and shoot 250,000 of them at a fire you could probably get a quick stop on the fire.
There are some links below if anyone is interested. Unfortunately the wife already told me not to even dream of asking for one for Christmas.

Metal Storm Company Site
Another website about Metal Storm




Metal Storm Company Site
Another website about Metal Storm
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