The Model 571 GLS Slim Pro-Fit brings the unique GLS (Grip Lock System) and SafariSeven together in a holster. Designed to fit very compact, CCW friendly weapons. The 571 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 guns finish, tolerant of extreme high and low temperatures, and easy to maintain. This holster includes an injection-molded micro-paddle for maximum comfort and concealment. Gun fit: Glock 43 Springfield XD-S 9 Springfield XD-S 40