Mag Charger Universal Pistol LoaderFeatures:Universal magazine designWorks with both single-stack and double-stack magazinesLoads 9mm, 10mm, .357, .40 and .45 cal ammoSimple to use - Just drop in a round and squeeze the leverExtremely durable polycarbonate constructionAdjustable side shims align magazines of any width for optimal use. Shims are labeled with numbers for quick adjustmentLock knob keeps virtually any size magazine secureErgonomic die cast aluminum handle for easy use and “no flex’ operationThe Caldwell Mag Charger Universal Pistol Loader does exactly what it was designed to do, which is to load 9mm, 10mm, .357, .40 and .45 caliber ammunition fast and efficiently. The Universal Pistol Loader features a robust polycarbonate construction which is strong and designed for years of use. The Mag Charger is simple to use as well, simply drop one round in the charger and squeeze the handle to load into the magazine. The Caldwell Universal Pistol Loader works with both single-stack and double-stack magazine and is a perfect choice for speed loading.