The Aurora Medium Cannon works with any of our Dual Weapon Turrets & Sponsons.  This two piece set consists of a cannon 1.5 inches (38mm) long mounted on a 0.45 inches (10mm) tall by 0.58 inches (15mm) wide base all cast in resin.  The mount can also accommodate two 1/8 inch diameter by 1/16 inch thick magnet allowing easy swapping between weapons.