The W3103 Autocannon is a frame or armor mounted, anti-armor or vehicle weapon designed by Origin Industries. The gun is mounted in a frame, the barrel covered and retracted when not in use. The autocannon's ammo is armor-piercing high-explosive bullets, designed to penetrate into armor, then detonate for maximum damage; The ammo is stored inside a 200 round drum container, and belt fed into the autocannon. It has a maximum range, in atmosphere, of 500 meters, and a muzzle velocity of just over Mach 1.