This ETS Camo Magazine loader works with 9mm and .40 caliber pistol magazines. Fits most pistol magazines including single stacks. Lightning fast loading directly from the ammo tray. This does not damage the feed lips and will save you time, energy while being easy on your thumbs. LOADER FEATURESFastest Loader Ever – Load your 9mm and .40 caliber mags in under 10 seconds!Universal loader works with virtually all brands of pistol magazines, double or single stack.Load magazine directly from ammo tray or with loose ammo.Loader does NOT damage feed lips.Portable and compact. Easily fits in your range bag or pocket.Made in the USA and comes with a LIFETIME WARRANTY