12.7cm Twin Gun Mount Model B Kai 2/Bonuses
| Ship | Extra Requirement | 
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Note |
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Yuudachi Kai Ni
|
+1 | +1 | +1 | +2 | |||||
Shigure Kai Ni
|
+1 | ||||||||
Kawakaze Kai Ni
|
+2 | ||||||||
Shiratsuyu Kai Murasame Kai Ni 
|
+1 | ||||||||
Ayanami-class        Akatsuki-class     Hatsuharu-class     
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+1 |