Kel-Tec P11045 Grip Extension made of Rubber with Black Finish for Kel-Tec P-11 Magazines
https://www.tandktactical.com/shop/640832001020-kel-tec-p11045-grip-extension-made-of-rubber-with-black-finish-for-kel-tec-p-11-magazines-3697
https://www.tandktactical.com/web/image/product.template/3697/image_1920?unique=b23c42e
The P-11 grip extension replaces the magazine base plate, allowing for improved handling and comfortability.
