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Hi Tim and welcome. Yes Sir. This model will accept all capacity FN 510 magazines. 10rd, 15rd and 22rd all will work: https://www.budsgunshop.com/search.php/type/gun+magazines/caliber/10000587-10mm/q/fn+510

Hi Tim, yes sir, this will accept 15rd magazines. They are the same physical size as the 10rd mags. The 10rd mags are sold for those who live in restricted states, otherwise they are the same. Stay safe & have a great day!

Absolutely, they will fit & function properly.

yes they will work fine the 10 round mag is just a modified 15 round magazine for sale in mag restricted states