HK 50248617 USP Black Detachable 10rd 45 ACP (Full Size)
https://www.tandktactical.com/shop/642230266803-hk-50248617-usp-black-detachable-10rd-45-acp-full-size-36784
https://www.tandktactical.com/web/image/product.template/36784/image_1920?unique=2c5ae3b
This replacement or spare magazine is compatible with your HK USP. It features a standard floorplate.
