Each gun was provided with total of 150 shells per gun. The ships were also equipped with a dozen 40-caliber QF 12-pounder 12-cwt guns and eight QF 2.5-pounder Yamauchi guns as close-range defense against torpedo boats.
Each gun was equipped with a total of 150 rounds per gun, intended to provide protection against enemy vessels. The ships were also fitted with a dozen larger anti-ship guns and eight smaller anti-torpedo guns to counter torpedo boat threats.