Rock Island 45204 ACT-MAG 17rd 9mm Luger Fits CZ 75 Blued Metal
https://www.tandktactical.com/shop/812285024479-rock-island-45204-act-mag-17rd-9mm-luger-fits-cz-75-blued-metal-16419
https://www.tandktactical.com/web/image/product.template/16419/image_1920?unique=adc80b3
This ACT replacement or spare magazine is compatible with your CZ 75.
