− | ''A what-if remodel of what would happen if the remaining semi-obsolete Type-B guns underwent an extensive mid-war upgrade and conversion into dual-purpose main guns for destroyers.<br>In order to deal with the realities of anti-air combat, maximum elevation, and loading mechanisms have been improved. With the combination of a fire director, this Type-B gun has become an entirely new destroyer weapon.<br>It was meant to be equipped on the Special Type II, Special Type III, Hatsuharu-class, and Shiratsuyu-class after their upgrades. This dual-purpose gun is capable of anti-air combat.
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