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Description
A tritium night front sight with a yellow outline, sold as a front sight only, for FNS-40, FNX-40 and FNP-40 pistols and professional users.
This HD XR night front sight is supplied as a front sight only, with a yellow outline and a green tritium lamp, and fits the FNH FNS-40, FNX-40, FNP-40.
A thinner front sight post gives a larger field of view, helping shooters identify targets and see the location of hits at longer distances.
Key features
- Thin front post — The thin front post, 0.122 in. wide, gives a larger field of view for fast target identification and engagement at longer distances.
- Domed sapphire cap — A domed sapphire cap focuses the tritium illumination for a 2X brighter aiming point.
- Luminous outline — The photoluminescent-painted front outline works with a subdued U-notch rear to draw the eye to the front sight in bright, transitional and no-light conditions.
- Recoil protection — The tritium lamps sit within protective aluminium cylinders with additional silicone rubber cushioning, protecting them from heavy recoil and harsh cleaning solvents.
- Even light — Each tritium lamp is capped with a sapphire jewel that helps distribute the light evenly and adds protection against puncture and cleaning solvents.
Typical applications
- Front sight replacement for law enforcement and duty use.
- Low-light and no-light target identification and engagement at longer distances.
- Installation by a gunsmith or armourer is recommended.
Technical specifications
| Fits make | FNH® |
| Fits model | FNS-40, FNX-40, FNP-40 |
| Front lamp colour | Green |
| Front paint colour | Yellow |
| Front blade width | 0.122 in. (3.09mm) |
| Front blade height | 0.215 in. (5.46mm) |
| Overall front blade height | 0.295 in. (7.49mm) |
In the box
- 1 × HD XR™ Front Sight - FNS-40, FNX-40, FNP-40 — Front Sight Only: Yellow Outline / Green Tritium
Model information
| Brand | Trijicon |
| Model | HD XR™ Front Sight - FNS-40, FNX-40, FNP-40 — Front Sight Only: Yellow Outline / Green Tritium |
| MPN | FN601-C-600882 |




