SAR USA K24510 K2 Compact 10rd 45 ACP Black Steel
https://www.tandktactical.com/shop/858763007930-sar-usa-k24510-k2-compact-10rd-45-acp-black-steel-21693
https://www.tandktactical.com/web/image/product.template/21693/image_1920?unique=53f33c4
This replacement or spare magazine is compatible with your SAR USA K2, K2 Compact.
