
Availability: In Stock
The Trijicon Bright & Tough SRO/RMR HD sight set for FN 509 pistols is a dedicated iron sight solution engineered for shooters who run red dot or reflex optics on their carry or duty gun. This integrated night sight set pairs a high-visibility front blade with a rear mounting plate designed specifically for FN 509 slides, giving you a rock-solid backup sight system if your primary optic goes dark or fails. Built from steel with a matte black finish, it's tough enough for serious use and reliable enough to trust your life to.
Trijicon's Bright & Tough lineup is known for durability and visibility in variable light. This FN 509 mount comes as a complete set—front sight blade, rear mount plate, mounting screws, and wrench—so you have everything needed to install it right out of the box. The front blade dimensions (0.462" height, 0.140" width) and square rear notch (0.15" width) give you a clean, combat-proven sight picture. Weight is minimal at just 1.5 oz., so it won't throw off your gun's balance or handling characteristics.
Installation requires torquing the mount plate to 11 in./lbs, a straightforward procedure that most shooters can handle with basic tools—the included wrench makes it even easier. Whether you're setting up a duty weapon, a serious carry gun, or a range/competition rig, this sight keeps you in the fight if your electronic optic takes a hit or battery dies.
| Brand | Trijicon |
| Fits | FN 509 Pistols |
| Housing Material | Steel |
| Finish | Matte Black |
| Front Blade Height | 0.462" (11.73mm) |
| Front Blade Width | 0.140" (3.55mm) |
| Overall Front Blade Height | 0.525" (13.33mm) |
| Rear Notch Style | Square |
| Rear Notch Width | 0.15" (3.8mm) |
| Weight | 1.5 oz. (42.52g) |
| Mount Torque Specification | 11 in./lbs |
Yes. The Trijicon Bright & Tough SRO/RMR HD is purpose-designed for FN 509 pistols and functions as a backup iron sight when you're running a red dot or reflex sight on your slide. If your optic fails or loses battery, you still have a fast, reliable iron sight picture.
The set includes a front sight blade, rear mount plate, two mounting screws, and a wrench for installation. You'll have everything needed to mount the sight to your FN 509 slide.
The complete sight set weighs 1.5 oz. (42.52g), so it adds minimal weight to your pistol and won't noticeably affect balance or handling.
Torque the mount plate to the slide at 11 in./lbs. The included wrench and proper torque spec ensure secure installation without over-tightening, which could crack the slide.

SKU: 152743292





Availability: In Stock
The Trijicon Bright & Tough SRO/RMR HD sight set for FN 509 pistols is a dedicated iron sight solution engineered for shooters who run red dot or reflex optics on their carry or duty gun. This integrated night sight set pairs a high-visibility front blade with a rear mounting plate designed specifically for FN 509 slides, giving you a rock-solid backup sight system if your primary optic goes dark or fails. Built from steel with a matte black finish, it's tough enough for serious use and reliable enough to trust your life to.
Trijicon's Bright & Tough lineup is known for durability and visibility in variable light. This FN 509 mount comes as a complete set—front sight blade, rear mount plate, mounting screws, and wrench—so you have everything needed to install it right out of the box. The front blade dimensions (0.462" height, 0.140" width) and square rear notch (0.15" width) give you a clean, combat-proven sight picture. Weight is minimal at just 1.5 oz., so it won't throw off your gun's balance or handling characteristics.
Installation requires torquing the mount plate to 11 in./lbs, a straightforward procedure that most shooters can handle with basic tools—the included wrench makes it even easier. Whether you're setting up a duty weapon, a serious carry gun, or a range/competition rig, this sight keeps you in the fight if your electronic optic takes a hit or battery dies.
| Brand | Trijicon |
| Fits | FN 509 Pistols |
| Housing Material | Steel |
| Finish | Matte Black |
| Front Blade Height | 0.462" (11.73mm) |
| Front Blade Width | 0.140" (3.55mm) |
| Overall Front Blade Height | 0.525" (13.33mm) |
| Rear Notch Style | Square |
| Rear Notch Width | 0.15" (3.8mm) |
| Weight | 1.5 oz. (42.52g) |
| Mount Torque Specification | 11 in./lbs |
Yes. The Trijicon Bright & Tough SRO/RMR HD is purpose-designed for FN 509 pistols and functions as a backup iron sight when you're running a red dot or reflex sight on your slide. If your optic fails or loses battery, you still have a fast, reliable iron sight picture.
The set includes a front sight blade, rear mount plate, two mounting screws, and a wrench for installation. You'll have everything needed to mount the sight to your FN 509 slide.
The complete sight set weighs 1.5 oz. (42.52g), so it adds minimal weight to your pistol and won't noticeably affect balance or handling.
Torque the mount plate to the slide at 11 in./lbs. The included wrench and proper torque spec ensure secure installation without over-tightening, which could crack the slide.
SKU: 152743292
