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Description
Green tritium night sight set with an orange front outline and black rear outline, for FNH® FN509 pistols and tactical shooters.
This night sight set fits the FNH® FN509 and uses green tritium lamps in both the front and rear sights.
The front sight has a taller blade with an orange photoluminescent outline around the aiming point, while the rear sight is outlined in black and has a wider U-shaped notch. This configuration increases visibility and quickens front sight acquisition, even in transitional lighting.
Key features
- Domed sapphire front — The front sight has a domed sapphire cap that focuses the tritium illumination for a 2X brighter aiming point.
- Photoluminescent outline — The glow-in-the-dark front outline combines with a subdued U-notch rear to draw the eye quickly to the front sight in all lighting conditions.
- One-handed slide operation — The steeply hooked front surface of the rear sight assists emergency one-handed slide manipulation.
- Tritium sight picture — Tritium phosphor-filled glass lamps illuminate the sights for high visibility in no-light and low-light situations.
- Recoil and solvent protection — The tritium gas lamps sit inside protective aluminium cylinders with additional silicone rubber cushioning.
- Sapphire lamp caps — Each tritium lamp is capped with a sapphire jewel that helps distribute the light evenly and adds protection from puncture and cleaning solvents.
Typical applications
- Duty and tactical use on FN509 pistols where a clear sight picture is needed in bright, transitional and no-light conditions.
- Low-light handgun shooting where fast front sight acquisition matters.
- Installation by a gunsmith or armourer is recommended.
Technical specifications
| Fits make | FNH® |
| Fits model | FN509 |
| Front lamp colour | Green |
| Rear lamp colour | Green |
| Front paint colour | Orange |
| Rear paint colour | Black |
| Front blade width | 0.144 in. (3.65mm) |
| Front blade height | 0.215 in. (5.46mm) |
| Overall front blade height | 0.279 in. (7.08mm) |
| Rear notch style | U-Notch |
| Rear notch width | 0.169 in. (4.29mm) |
| Rear blade height | 0.218 in. (5.53mm) |
| Overall rear height | 0.309 in. (7.84mm) |
In the box
- 1 × HD™ Night Sights - FN509 — Front: Orange Outline / Green Tritium, Rear: Black Outline / Green Tritium
Model information
| Brand | Trijicon |
| Model | HD™ Night Sights - FN509 — Front: Orange Outline / Green Tritium, Rear: Black Outline / Green Tritium |
| MPN | FN104-C-600992 |
