The Barbequerer Light Cannons A & B works with any of our Single or Dual Weapon Turrets & Sponsons.  This set consists of two (2) cannons each 1.1 inches (28mm) long mounted on a 0.45 inches (10mm) tall by 0.25 inches (6mm) wide base.  The mount can also accommodate a 1/8 inch diameter by 1/16 inch thick magnet allowing easy swapping between weapons.