''This is an old model small-caliber gun.<br>It was equipped on older destroyers as their main armament.<br> Both loading and rotation were manual, but with its simple construction and low cost, it served a long time as the main weapon of destroyers and coastal defense ships. It cannot be used for anti-air.'' | ''This is an old model small-caliber gun.<br>It was equipped on older destroyers as their main armament.<br> Both loading and rotation were manual, but with its simple construction and low cost, it served a long time as the main weapon of destroyers and coastal defense ships. It cannot be used for anti-air.'' |