TruGlo TG231G1 Tritium Night Sights – Glock 9mm/.40

The TruGlo TG231G1 is a low-profile front-and-rear sight set that uses tritium to provide visible aiming points in low-light conditions. Both front and rear feature green tritium inserts that require no batteries or external charging. CNC-machined steel construction combined with a Black Nitride Fortress finish offers durable wear resistance and a snag‑resistant profile. The set is designed for Glock 9mm Luger and .40 S&W platform compatibility and fits standard holsters.

Key Specifications

• The front and rear use green tritium for low-light visibility.
• Construction is CNC-machined steel for durability.
• The finish is a Black Nitride Fortress protective coating.
• This is a front/rear sight set in a low-profile configuration.
• Compatible with Glock 9mm Luger and .40 S&W models.
• The design is snag-resistant and fits standard holsters.
• Assembled with Swiss tritium for maximum brightness, per manufacturer notes.
• Sight style is a Square front/U-notch rear for quick alignment.
• Manufacturer notes the set fits Gen5 models.

Purpose-built for reliable low-light sighting, the TG231G1 delivers consistent, battery-free aiming points and robust construction suited for everyday carry, duty, or range use. Its low-profile geometry and holster-friendly design make it a practical upgrade for Glock users who want dependable visibility in dim conditions.