Rock Island 49176 ACT-MAG 17rd 9mm Luger Fits S&W M & P Blued Metal
https://www.tandktactical.com/shop/812285023427-rock-island-49176-act-mag-17rd-9mm-luger-fits-s-w-m-p-blued-metal-16416
https://www.tandktactical.com/web/image/product.template/16416/image_1920?unique=8b4c61a
This ACT replacement or spare magazine is compatible with your S&W M&P.
