Hopefully the amount of artillery shells shipped from the ROK has not dangerously depleted their own reserves used in response to any contingency with North Korea:

South Korea’s “indirect” provision of 155-mm artillery shells for Ukraine this year has made it a larger supplier of ammunition for the war-ravaged country than all European countries combined, The Washington Post (WP) reported Monday.
In an article on Russia’s protracted war against Ukraine, the U.S. daily explained Washington’s effort to secure munitions from South Korea when the U.S.’ production of shells was barely more than a tenth of some 90,000 shells that Ukraine needed per month.
South Korean law prohibits providing weapons to war zones, but U.S. officials sought to persuade Seoul to provide munitions, estimating that about 330,000 155-mm shells could be transferred by air and sea within 41 days from Korea, according to the WP.
Yonhap
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