The Model 578 GLS™ Pro-Fit brings the unique GLS™ (Grip Lock System) and SafariSeven™ together in a holster designed to fit a wide variety of guns. The Pro-Fit™ is customizable and adjusts to securely fit over 225 firearms. The 578 also features the GLS™, an innovative technology that automatically secures the weapon when holstered and releases it upon application of the middle finger with a standard shooting grip for a more intuitive and safer release.The holster body is constructed with SafariSeven™, a lightweight, state-of-the-art nylon blend is completely non-abrasive to a gun’s finish, tolerant of extreme high and low temperatures, and easy to maintain. This holster includes an injection-molded paddle and an injection-molded belt loop that is adjustable for maximum comfort and allows the holster to be worn cross draw.