The Hi-Viz Tritium NiteSight set (brand part no. RGS9N121) is a front and rear iron sight set, not a light or laser, built by Hi-Viz as a direct fit for the Ruger Security-9. Tritium vials provide 24-hour glow-in-the-dark illumination without a battery or a switch, so the sights work identically day or night.

Key Specifications

• Illumination is self-powered tritium, glowing for 24-hour day/night visibility with no battery.
• Fit is dedicated to the Ruger Security-9, installing as a direct front and rear replacement set.
• Warranty is a 12-year tritium warranty, backing the glow output over the sight’s service life.

Frequently Asked Questions

Do these sights need a battery? No, tritium vials glow continuously without a battery or switch.

How long is the tritium warranted to last? 12 years.

Buy the Hi-Viz Tritium NiteSight Set

A tritium sight set works the same in a dark parking lot as it does at a lit range, with nothing to charge or switch on. Order it from our Hi-Viz lineup in our gun sights selection, shipped fast from our Lubbock, Texas gun shop.