''A what-if late-model upgrade of the large-caliber main gun that was ordered from the British for the construction of the Kongou-class and used up to the Ise-class.<br>It has an increased firing rate, a high-precision rangefinder, and improved anti-air defenses.<br>Lessons learned in combat have been incorporated into this to greatly increase its operability. Its true power will be realized by equipping it on the Kongou-class fast battleships.
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''A what-if late-model upgrade of the large-caliber main gun that was ordered from the British for the construction of the "Kongou-class" and used up to the "Ise-class".<br>It has an increased firing rate, a high-precision rangefinder, and improved anti-air defenses.<br>Lessons learned in combat have been incorporated into this to greatly increase its operability.<br>Its true power will be realized by equipping it on the "Kongou-class" fast battleships.