What is the most advanced gun?

Answer 1

As of the 2000s, Australia designed an weapon system capable of firing bullets up to 1 million bullets a minute!!! The METAL STORM can be designed into a pistol design, a rifle, or a mini gun design. Because the entire gun has no moving parts and because it is battery operated, the weapon is compact. The weapon is now being tested for final results and will replace the GAU-8 mini guns, the M-134 mini guns, the rotary cannons in helicopters, and any current machine gun/assault rifles. In the future, the Metal Storm will complete its initial purpose by serving as the world's first RAIL GUN.