Buy now from the HKS Magazines & Speedloaders available at Gander Mountain. Whether 22 rifle clips or 9mm magazine loaders, Gander Mountain is your source for ammo magazines. We offer universal pistol magazine loader as well as brand-specific magazines by Glock, Smith & Wesson and other top manufacturers. We have high capacity magazines and pistol extended clips that will double the shots you can take, from 15 to 30 rounds. Get one for your S&W M&P!