The biggest advantage to the railgun is that it can fire ammunition that is super cheap. Basically the speeds are so great with a railgun that a small aerodynamically shaped piece of metal is turned into a lethal weapon.

High-Tech Railgun Promises New Military Advantage

Pentagon officials believe the high-tech railgun could pave the way for military advantage defending assets on sea and on land. Photo: U.S. Department of Defense

Trading The News: Railgun In The News