Compatible with any single- or double-stack pistol magazine chambered in pistol cartridges from 9mm to .45 ACP, the Maglula® UpLula® 9mm to .45 ACP Universal Pistol Magazine Loader and Unloader makes it comfortable, quick, and easy to reload and unload pistol magazines at the range or in the field. Durable polymer construction offers superior durability, while the convenient slip-on design offers simple, reliable operation and protects magazines and feed lips from damage. Better yet, this combat-tested, universal reloader offers all-weather performance for superior versatility.