The Ketsurui Fleet Yards Ke-M2-W2905-BPX Gauss Cannon backpack extension is an Durandium Alloy-sheathed module holding an extra 60 rounds for the operation of the shoulder-mounted Gauss cannon. Ammunition can be accessed from either the left side or the right and the pack allows to simultaneously feed two W2905 cannons if needed (30 shots each).
Date entered service: YE 29