Trijicon Bright & Tough SRO/RMR HD Mount | FN 509 | 601158

The Trijicon Bright & Tough SRO/RMR HD Mount with Integrated Night Sight Set is designed for FN 509 pistols and supplies a durable steel mount and sight package without tritium. It provides a low-profile mounting solution for SRO- and RMR-pattern optics while adding a front sight and rear mount plate for iron-sight reference. The assembly is finished in matte black and sized specifically for FN 509 fitment.

Product Specifications

• The manufacturer’s part number is 601158.
• The UPC is 719307622265.
• The mount and sight set fits firearms made by FNH.
• The sight set fits the model FN 509.
• The mount type is SRO/RMR HD for compatible optic footprints.
• The torque specification to mount the plate to the slide is 11 in. / lbs.
• The unit weight is 1.5 oz. (42.52 g).
• The housing material is steel.
• The finish is matte black.
• 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 is 0.525 in. (13.33 mm).
• The rear notch style is square.
• The rear notch width is 0.15 in. (3.8 mm).
• The package includes 1 front sight, 1 rear mount plate, 2 mount screws, and 1 wrench.
• This set contains no tritium.

This mount and sight set is suited to users who need a dependable optic-mounting solution with iron-sight reference — useful for competition stages requiring optic/iron co-witness and for range training where a rugged, repeatable mounting interface is required. The steel housing and matte finish focus on durability and low visual profile while maintaining straightforward installation and serviceability.