HK 50248616 Mark 23 Black Detachable 10rd 45 ACP
https://www.tandktactical.com/shop/642230266797-hk-50248616-mark-23-black-detachable-10rd-45-acp-36774
https://www.tandktactical.com/web/image/product.template/36774/image_1920?unique=3bcfc5c
This replacement or spare magazine is compatible with your HK Mark 23. It features a flat floor plate.
