For those in restricted states like California, Washington and New York, no factory solution for Hellcat Magazines offer a full grip on the Springfield Pistol. Our 10 round extended magazines combo of a factory magazine with our extension bring you the perfect option to get a great grip with your Hellcat! Our extended mag will instantly transform your pistol giving you full support of your grip! This listing is for a factory Springfield Hellcat 10rd 9mm magazine extended with our grip extension pre installed. If you are looking for only the extension for magazines you already own use this link WILL SHIP TO ALL US STATES.