TruGlo TG231G1 Tritium Night Sight Set for Glock 9mm Luger/.40 S&W - Black Nitride Fortress Frame

The TruGlo TG231G1 is a 9mm Luger/.40 S&W-compatible tritium night sight set designed for popular Glock duty and defensive handguns. Part of TruGlo's Brite-Site Tritium line, this front-and-rear set installs directly into the factory mounting points and provides a self-illuminating aiming reference that performs around the clock without batteries or switches.

Both the front and rear sights carry green tritium inserts, giving the shooter matching glowing dots in low light and total darkness. The front features a square profile for fast target acquisition, while the rear uses a U-notch design that cleanly frames the front post for an intuitive sight picture. In daylight the inserts read as standard white dots; as ambient light drops, the tritium takes over and keeps the sight picture legible.

The sights are built on TruGlo's Fortress frame, machined from steel and finished in a tough, low-glare Black Nitride coating that resists corrosion and wear. The front sight drops onto the factory front post, and the rear seats into the slide's rear dovetail, using Glock's existing mounting geometry so installation requires no permanent modifications.

This model fits Glock 17, 17L, 19, 22, 23, 24, 26, 27, 33, 34, 35, 38, and 39 pistols chambered in 9mm Luger and .40 S&W. Tritium is self-powered, so the sights remain visible at night without the need for batteries, fiber-optic ambient light, or activation switches - installed once, they're ready whenever the gun is picked up.