Scourge Railgun

The Apocalypse Arms Scourge Rail Gun is a personal anti-vehicle weapon for use while on foot or in EVA. It fires a 20mm Tungsten Round capable of punching through armor. The scourge is fired from the shoulder due to its great size (and recoil), and lacks any form of targeting sight or scope. This might indicate that the payload is guided.

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Apocalypse Arms