Jaime, this includes two 10 round magazines. Yes this will accept higher capacity magazines. If interested here's a link to a 15 round magazine that will fit.................... budsgunshop.com/product_info.php/products_id/149952/mag+m%26p9+shield+plus+15rd+ext ....................... And here's a link to a 13 round magazine that will also fit.................... budsgunshop.com/product_info.php/products_id/134517/smith+%26+wesson+3014411+oem+9mm+luger+s%26w+m%26p+shield+plus+13rd+magazine+black+detachable ........................ Hope this helps.

Hi Jaime and welcome to the Buds Community. (2) 10rd Magazines are in this package. 13rd and 15rd Magazines will also fit : Model with all three here : budsgunshop.com/product_info.php/products_id/149951/smith+%26+wesson+equalizer+optic+ready - Cheers and stay safe!

Hi Jaime, this comes with (2) 10rd magazines, yes it will also take 13 & 15 rd mags. BUT, you can buy this one that comes with 3 magazines, 10, 13, and 15 rounds included for the same price.
budsgunshop.com/product_info.php/products_id/149951/smith+%26+wesson+equalizer+optic+ready ,
Stay safe & have a great day!