Designed in YE 31 by Origin Industries for the M1 Asura, the Light Railgun is a lightweight anti-armor weapon mounted on the Frame's waist. The Light Railgun is attached to the frame's waist by a swivel, which allows the gun to swing 180 degrees up and down and 25 degrees side-to-side, in order to both fire and targets and move out of the frame's way when in use. The weapon fires high-explosive tungsten rounds the size of a soda can at 74 percent the speed of light, has a rate of fire of 20 rounds a minute, and has a range of 100 km when used in a planet's atmosphere.