Changes

!rowspan=3|Main Gun

!rowspan=3|Main Gun

!Small Caliber

!Small Caliber

|[[5inch Single Gun Mount Mk.30 Kai + GFCS Mk.37]]<ref name="2ARM"/>{{·}}[[12.7cm Twin Gun Mount Model C Kai 3]]{{·}}[[12.7cm Twin Gun Mount Model C Kai 3 H]]<ref name="2ARM"/>{{·}}[[10cm Twin High-angle Gun Mount Kai + Anti-Aircraft Fire Director Kai]]<ref name="2ARM"/>

|[[5inch Single Gun Mount Mk.30 Kai + GFCS Mk.37]]<ref name="2ARM"/>{{·}}[[12.7cm Twin Gun Mount Model C Kai 3]]{{·}}[[12.7cm Twin Gun Mount Model C Kai 3 H]]<ref name="2ARM"/>{{·}}[[10cm Twin High-angle Gun Mount Kai + Anti-Aircraft Fire Director Kai]]<ref name="4ARM">Requires 4 Armament Materials.</ref>

|-

|-

!Medium Caliber

!Medium Caliber