Trijicon Bright & Tough SRO/RMR HD Mount w/ Iron Sights - FN 509

The Trijicon Bright & Tough for the FN 509 is a precision-machined steel HD mount plate cut to accept an RMR or SRO red-dot optic, with co-witness iron-sight blades built into the plate. The rear blades on this mount pair with the pistol's existing factory front sight to give shooters full iron-sight redundancy around their red dot. This variant ships with no tritium on the plate itself - the FN 509's factory night sights serve as the lower co-witness with whatever red dot you mount on top.

Built around a steel housing in a low-glare black finish, the assembly weighs just 1.5 oz (42.5 g). Sight geometry is dialed in for a clean co-witness picture alongside the mounted red dot: 0.462" front blade height, 0.443" rear blade height, 0.15" rear notch width, and a 0.525" overall housing height. Trijicon specs plate-to-slide torque at 11 in/lbs and recommends professional installation to keep the optic, mount, and slide finish in spec.

Designed specifically for the FN 509 slide, this Bright & Tough HD mount gives defensive, duty, and range shooters a single drop-in solution for running an RMR or SRO with an integrated iron-sight backup that preserves the pistol's factory night-sight capability.