This Night Fision tritium night sight set is built for the FN 509, in orange front, U-notch rear (part no. FNH-101-007-OGZG), using Night Fision’s domed-lens sleeve design to carry more tritium than an average night sight.

Key Specifications

• This Night Fision night sight set is built for the FN 509 with orange front, U-notch rear.
• Night Fision’s patented injection-molded sleeve holds the tritium vials securely in place using ballistic-grade materials.
• These sights carry more tritium than the average night sight on the market.
• A domed lens collimates the tritium glow for a sharper sight picture.
• The sights are CNC machined from high-quality steel.
• A black nitride coating improves wear and corrosion resistance.
• Gunsmith installation is recommended.

Frequently Asked Questions

Can I install these myself?

Night Fision recommends gunsmith installation for a proper, secure fit.

Will this fit my exact pistol?

This set is built for the FN 509. Confirm your model and slide variant before ordering, since Night Fision makes separate sets for excluded variants.

Buy the Night Fision Night Sight Set Orange Front U Notch Rear for FN 509

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