Holster Shells | Shop Cloak Shells for Multiple Gun Models

The Holster Shells from Alien Gear Holsters are the core of a truly modular holster system, built for those who carry more than one firearm. Each Alien Gear shell is precision-molded to your specific gun model and designed to swap seamlessly across compatible platforms—giving you the flexibility to run one holster for multiple guns. Whether you're updating your EDC setup, switching duty weapons, or expanding your collection, this shell swap system lets you adapt without compromising comfort, retention, or performance. It's the foundation of the best modular holster system for concealed carry, range, or tactical use.