Night Fision Night Sight Set – Orange Front / Square Notch Rear for FN 509

Upgrade your FN 509’s low-light performance with the Night Fision Night Sight Set featuring an orange front sight and square notch rear. Engineered for shooters who demand the brightest, most reliable tritium night sights on the market, this set is built in the USA using genuine Swiss tritium for maximum brightness and longevity.

Night Fision’s patented injection-molded sleeve design securely holds tritium vials in place using ballistic-grade materials, while the proprietary domed lens collimates tritium rays to deliver a crisp, defined glow and a sharper sight picture — even in complete darkness. CNC machined from high-quality steel and finished with a Black Nitride coating, these sights are built to withstand the rigors of daily carry and resist wear and corrosion over time.

Key Features:
• Brightest tritium night sights on the market
• Domed lens collimates tritium rays for a sharper, more defined sight picture
• CNC machined from high-quality steel for precise fit and durability
• Black Nitride coating for enhanced wear and corrosion resistance
• Orange front sight for fast, intuitive target acquisition
• Square notch rear for consistent sight alignment
• Built in the USA with Swiss tritium
• Gunsmith installation recommended

Whether you’re a concealed carrier, home defender, or competitive shooter, Night Fision night sights are a proven upgrade that delivers when it matters most. Order online today at VanTon Arms and enjoy competitive pricing with fast nationwide shipping.