|[[12.7cm Twin Mount Type-D Kai 2]]{{·}}[[Prototype Long-barrel 12.7cm Twin Gun Mount Model A Kai 4]]{{·}}[[12.7cm Twin Gun Mount Model C Kai 3]]
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|[[12.7cm Twin Gun Mount Model D Kai 2]]{{·}}[[Prototype Long-barrel 12.7cm Twin Gun Mount Model A Kai 4]]{{·}}[[12.7cm Twin Gun Mount Model C Kai 3]]
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|-
!Medium Caliber
!Medium Caliber
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|[[14cm Twin Gun Mount Kai]]<ref name="2GM">Requires 2 GunMats.</ref>{{·}}[[15.2cm Twin Gun Mount Kai Ni]]{{·}}[[15.5cm Triple Gun Mount Kai]]<ref>Only from the 15.5cm Triple Gun Mount</ref>{{·}}[[8inch Triple Gun Mount Mk.9 mod.2]]{{·}}[[14cm Twin Gun Mount Kai 2]]<ref name="2GM"/>
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|[[14cm Twin Gun Mount Kai]]<ref name="2GM">Requires 2 GunMats.</ref>{{·}}[[15.2cm Twin Gun Mount Kai 2]]{{·}}[[15.5cm Triple Gun Mount Kai]]<ref>Only from the 15.5cm Triple Gun Mount</ref>{{·}}[[8inch Triple Gun Mount Mk.9 mod.2]]{{·}}[[14cm Twin Gun Mount Kai 2]]<ref name="2GM"/>{{·}}[[Prototype 20.3cm (No.4) Twin Gun Mount]]<ref name="2GM"/>
|-
|-
!Large Caliber
!Large Caliber
−
|[[35.6cm Twin Gun Mount Kai]]<ref name="3GM"/>{{·}}[[Prototype 41cm Triple Gun Mount]]<ref name="2GM"/>{{·}}[[41cm Triple Gun Mount Kai]]<ref name="2GM"/>{{·}}[[41cm Triple Gun Mount Kai Ni]]<ref name="3GM">Requires 3 GunMats.</ref>{{·}}[[41cm Twin Gun Mount Kai 2]]<ref name="3GM"/>{{·}}[[46cm Triple Gun Mount Kai]]<ref name="2GM"/>{{·}}[[Prototype 51cm Twin Gun Mount]]<ref name="3GM"/>{{·}}[[51cm Twin Gun Mount]]<ref name="3GM"/>{{·}}[[38cm Quad Gun Mount Kai]]<ref name="2GM"/>{{·}}[[16inch Mk.V Twin Gun Mount]]{{·}}[[16inch Mk.VIII Twin Gun Mount Kai]]<ref name="2GM"/>{{·}}[[16inch Triple Gun Mount Mk.6 mod.2]]{{·}}[[16inch Mk.I Triple Gun Mount + AFCT Kai]]{{·}}[[16inch Mk.I Triple Gun Mount Kai + FCR Type 284]]{{·}}[[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]]<ref name="2GM"/>
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|[[35.6cm Twin Gun Mount Kai]]<ref name="3GM"/>{{·}}[[Prototype 41cm Triple Gun Mount]]<ref name="2GM"/>{{·}}[[41cm Triple Gun Mount Kai]]<ref name="2GM"/>{{·}}[[41cm Triple Gun Mount Kai 2]]<ref name="3GM">Requires 3 GunMats.</ref>{{·}}[[41cm Twin Gun Mount Kai 2]]<ref name="3GM"/>{{·}}[[46cm Triple Gun Mount Kai]]<ref name="2GM"/>{{·}}[[Prototype 51cm Twin Gun Mount]]<ref name="3GM"/>{{·}}[[51cm Twin Gun Mount]]<ref name="3GM"/>{{·}}[[38cm Quad Gun Mount Kai]]<ref name="2GM"/>{{·}}[[16inch Mk.V Twin Gun Mount]]{{·}}[[16inch Mk.VIII Twin Gun Mount Kai]]<ref name="2GM"/>{{·}}[[16inch Triple Gun Mount Mk.6 mod.2]]{{·}}[[16inch Mk.I Triple Gun Mount + AFCT Kai]]{{·}}[[16inch Mk.I Triple Gun Mount Kai + FCR Type 284]]{{·}}[[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 2]]<ref name="2GM"/>
|-
|-
!colspan=2| Secondary Gun
!colspan=2| Secondary Gun
−
|[[15.5cm Triple Secondary Gun Mount Kai]]<ref>Only from the 15.5cm Triple Secondary Gun Mount</ref>{{·}}[[15.5cm Triple Secondary Gun Mount Kai Ni]]<ref name="2GM"/>
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|[[15.5cm Triple Secondary Gun Mount Kai]]<ref>Only from the 15.5cm Triple Secondary Gun Mount</ref>{{·}}[[15.5cm Triple Secondary Gun Mount Kai 2]]<ref name="2GM"/>