Randy, NO, this magazine is for the Girsan regard Wich is a Beretta 92 clone. The Girsan mc9 uses mc9/mc28 magazines. I own the Girsan mc28. So this magazine won't fit. If interested here's a link to a 17 round magazine that will fit. Hope this helps, link here.......................... budsgunshop.com/product_info.php/products_id/144318/girsan+390117+oem+black+detachable+17rd+9mm+luger+for+girsan+mc28sa+mc9

Randy, yes sir, this will work with the MC9 Match pistol.
Stay safe & have a great day!

Hi Randy and welcome. The Regard is a Beretta 92 Clone. The MC9 and MC-28 use the same magazines. 17rd and 19rd here (as an example): https://store.eaacorp.com/shop/product/390217-9mm-19rd-girsan-mc28sa-mc9-magazine-26784#attr=27908,27907,27909,27910,27911

After a lil research I'm finding these will work with the MC9, they will even give you the last round hold open function.