Kel-Tec P1136/15-36 P11 Blued Detachable 10rd 9mm Luger
https://www.tandktactical.com/shop/640832001112-kel-tec-p1136-15-36-p11-blued-detachable-10rd-9mm-luger-3696
https://www.tandktactical.com/web/image/product.template/3696/image_1920?unique=9eafd20
Magazine is compatible with your Kel-Tec P11.
