The UpLULA Universal Pistol Mag Loaders are dedicated to speeding up and simplifying the loading process and are backed by big thinking and field-proven quality. They are military-grade and designed to load many different kinds of Mags, from 9mm Luger to .45ACP. It will also load most .380 double-stack mags. The lever engages spring, so rounds slide in and out effortlessly - no finger or mag abuse. The UpLULA Loader by Mag Lula slips on and off your mag with ease.