|Notes=★0~★5 uses [[12.7cm Twin Gun Mount]] for improvement.<br/>★6~★9 uses [[12.7cm Twin Mount Type-B Kai 2]] for improvement.<br/>★Max conversion uses 4 [[46cm Triple Gun Mount]] and 2 New Type Artillery Armament Material to convert to a '''[[46cm Triple Gun Mount Kai]]'''.
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|Notes=★0~★5 uses [[46cm Triple Gun Mount]] for improvement.<br/>★6~★9 uses [[46cm Triple Gun Mount]] for improvement.<br/>★Max conversion uses 4 [[46cm Triple Gun Mount]] and 2 New Type Artillery Armament Material to convert to a '''[[46cm Triple Gun Mount Kai]]'''.