The ArMek SW-3 was a ship-mounted ion cannon. Two SW-3s were carried by the Gamma-class ATR-6 assault transport, built by the Telgorn Corporation as a more heavily armed and armored version of the company's Delta-class DX-9 stormtrooper transport, which mounted SW-2 ion cannons.
- Star Wars: TIE Fighter (First appearance)
- Star Wars: X-Wing vs. TIE Fighter
- Star Wars: X-Wing Alliance
- The Stele Chronicles (First identified as SW-3 ion cannon)