Turret Coles system and RML 10-inch guns Mk I – Mk II were large rifled muzzle-loading guns designed for British battleships and monitors in the 1860s to 1880s.The main artillery of the Australian monitor Cerberus was of this type.
Scale 1:350 (the tower should be 18.9mm in diameter).Model s is manifold and have intersect faces.Two versions: