The ETS Gen II C.A.M. Pistol Mag Loader self-centers the feed lips for both single and double stacked mags. The Gen II model also has improved mag insertion and larger variety of compatible magazines. Features: a Fastest Loader Ever - Load your 9mm and .40 caliber mags in under 10 seconds! a Universal loader works with virtually all brands of pistol magazines, double or single stack. a Load magazine directly from ammo tray or with loose ammo. a Loader does NOT damage feed lips. a Portable and compact. Easily fits in your range bag or pocket. a Made in the USA and comes with a LIFETIME WARRANTY