The Model 577 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 100 firearms. The 577 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 guns finish, tolerant of extreme high and low temperatures, and easy to maintain. This holster features an injection-molded belt loop that fits 1.5 (38mm) and 1.75 (45mm) belt widths.

Gun fit:
Colt 1911
CZ 75
Ruger American 45
Sig Sauer 1911
Smith & Wesson M&P 9L
Smith & Wesson M&P 40L
Smith & Wesson M&P 2.0 9L
Smith & Wesson M&P 2.0 40L
Smith & Wesson M&P 9L CORE
Smith & Wesson M&P 40L CORE
Smith & Wesson M&P 2.0 9L C.O.R.E.
Smith & Wesson M&P 2.0 40L C.O.R.E.
FN FNS 9
Springfield 1911-A1
Taurus 1911
Walther PPQ
Walther PPQ M2
FN FNS 40
FN Five-Seven
Glock 17L
Glock 34
Glock 35
Glock 41
Kimber 1911