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="4ARM">Requires 4 Armament Materials.</ref>{{·}}[[13.8cm Twin Gun Mount Kai]]

|[[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>Requires 4 Armament Materials from the [[10cm Twin High-angle Gun Mount + Anti-Aircraft Fire Director]] and 3 from the [[10cm Twin High-angle Gun Mount Kai]].</ref>{{·}}[[13.8cm Twin Gun Mount Kai]]

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!Medium Caliber

!Medium Caliber

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!Large Caliber

!Large Caliber

|[[Prototype 51cm Twin Gun Mount]]<ref name="2ARM">Requires 2 Armament Materials.</ref>{{·}}[[16inch Mk.VIII Twin Gun Mount Kai]]<ref name="2ARM"/>{{·}}[[16inch Mk.I Triple Gun Mount Kai + FCR Type 284]]<ref name="2ARM"/>{{·}}[[35.6cm Triple Gun Mount Kai (Dazzle Camouflage)]]<ref>From the 35.6cm Twin Gun Mount (Dazzle Camouflage) & Prototype 35.6cm Triple Gun Mount</ref>{{·}}[[35.6cm Twin Gun Mount Kai Ni]]{{·}}[[38cm Quadruple Gun Mount Kai Deux]]<ref name="2ARM"/>

|[[Prototype 51cm Twin Gun Mount]]<ref name="2ARM">Requires 2 Armament Materials.</ref>{{·}}[[16inch Mk.VIII Twin Gun Mount Kai]]<ref name="2ARM"/>{{·}}[[16inch Mk.I Triple Gun Mount Kai + FCR Type 284]]<ref name="2ARM"/>{{·}}[[35.6cm Triple Gun Mount Kai (Dazzle Camouflage)]]<ref>From the [[35.6cm Twin Gun Mount (Dazzle Camouflage)]] & [[Prototype 35.6cm Triple Gun Mount]]</ref>{{·}}[[35.6cm Twin Gun Mount Kai Ni]]{{·}}[[38cm Quadruple Gun Mount Kai Deux]]<ref name="2ARM"/>

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!colspan=2|Secondary Gun

!colspan=2|Secondary Gun