This sight set is all black, free of all distractions for a confusion free sight picture. It features Heinie's rear Ledge design. This military inspired sight design combines the best features of thier Classic and SlantPro with a few of its own that sets it apart from your target or EDC sight. Equipped with a wide square notch for quick acquisition of the front sight, the rear face slants forward and is serrated with contoured edges (so it can be carried everyday without worry of snagging). The Ledge was designed with a lip that allows the operator to cycle the slide with one hand easily, giving you and edge in any situation. Mfg: Heinie SPECS: Glock/Glock Ledge fit all models except G36 (separate G36 model available). Ledge rear sight has .156" wide notch.