FN 20100479 509 10rd 9mm Luger FN 509 LS Edge Black Stainless Steel
http://www.tandktactical.com/shop/845737012274-fn-20100479-509-10rd-9mm-luger-fn-509-ls-edge-black-stainless-steel-25545
http://www.tandktactical.com/web/image/product.template/25545/image_1920?unique=3e08833
This magazine is compatible with the FN 509 LS Edge pistol and holds up to 10-rounds.