Changes

''An improved version of the small caliber main gun that was mounted as the standard main armament of older model destroyers.<br>Although its loading and traverse mechanisms are still manual, its simple design and low cost have allowed it to remain the main gun of destroyers and coastal defense ships for a long time. This upgraded version incorporates lessons learned during the war to significantly increase its usability in combat.<br>Unfortunately, it is unsuitable for anti-air combat.

''An improved version of the small caliber main gun that was mounted as the standard main armament of older model destroyers.<br>Although its loading and traverse mechanisms are still manual, its simple design and low cost have allowed it to remain the main gun of destroyers and coastal defense ships for a long time. This upgraded version incorporates lessons learned during the war to significantly increase its usability in combat.<br>Unfortunately, it is unsuitable for anti-air combat.

==Notes==

==Notes==

==Fit Bonuses==

==Fit Bonuses==

{{:{{PAGENAME}}/Bonuses}}

{{/Bonuses}}

==Improvement==

==Improvement==