Trijicon Bright & Tough SRO/RMR HD FN 509 Mount & Night Sights

Trijicon Bright & Tough SRO/RMR HD Mount and Integrated Night Sight Set is designed to interface with FN 509 pistols and provides a steel housing finished in matte black. The set ships without tritium illumination and includes the front sight, rear mount plate, two mounting screws and a wrench. The manufacturer specifies 11 in-lbs torque to mount the plate to the slide; professional installation is recommended.

Key Specifications

• The fit is optimized for FN 509 pistols.
• This product is a SRO/RMR HD mount and integrated night sight set (no tritium).
• The housing material is Steel.
• The finish is Matte Black.
• The specified torque to mount the plate to the slide is 11 in-lbs.
• The front blade width measures 0.140 in (3.55 mm).
• The front blade height measures 0.462 in (11.73 mm).
• The overall front blade height measures 0.525 in (13.33 mm).
• The rear notch is a Square style.
• The rear notch width measures 0.15 in (3.8 mm).

Engineered for durability and consistent sight alignment, this Trijicon assembly pairs robust steel construction with protected sight elements to provide a dependable, low-profile sighting option for reduced-light environments. Its integrated design preserves slide geometry while offering a secure mounting interface for SRO/RMR-style optics. For FN 509 owners seeking a non-tritium, serviceable sight solution built for routine use, this set provides a practical and durable option.