Loads pistol mags in seconds! Truly the first speed loader for pistol mags. Works with 9mm and .40 caliber pistol mags, double or single stack. Picks rounds up from ammo tray. User doesn't have to even touch ammo. Does not force rounds through the feedlips. It won't damage the mags in any way. Portable, easily fits in your range bag. Made from an extremely durable polymer that will hold up to wear and tear..