TRUGLO TG131NT3 TFO Tritium/Fiber-Optic 1911 Sights (Green)

The TRUGLO TG131NT3 TFO sight set combines tritium night illumination with fiber-optic daytime visibility for a consistent sight picture in a wide range of lighting conditions. Designed for 1911 pistols with Novak LoMount dovetail cuts, the set fits 3" Officer and 4.25" Commander models in .45 ACP. CNC-machined steel construction and a snag-resistant profile preserve holster compatibility and long-term durability. No batteries are required; tritium is assembled in the USA using Swiss tritium inserts.

Key Specifications

• Fits Novak LoMount cut 1911 slides with 3" (Officer) and 4.25" (Commander) configurations.
• Caliber compatibility listed as .45 ACP in manufacturer notes.
• Construction material is CNC-machined steel combined with fiber-optic elements.
• Illumination system pairs tritium and fiber-optic technologies for day/night use.
• Front and rear elements are green tritium/fiber-optic for a consistent sight picture.
• Front sight fiber diameter is 0.060".
• Front sight dimensions — length, width and height — are each listed as 1.0" in manufacturer data.
• Rear sight profile is a U-notch paired with a square front for traditional sighting.
• Product type is supplied as a front/rear sight set compatible with Novak-style dovetails.
• Design features include a snag-resistant profile and holster compatibility.

This sight set delivers a practical, low-maintenance solution for shooters who need reliable, visible sights across lighting conditions. The combination of tritium and fiber-optic elements provides a steady aiming reference without electronics, while robust steel construction supports long service life and routine carry. For 1911 owners with Novak LoMount dovetails, the TG131NT3 TFO offers a straightforward upgrade to improve sight acquisition from daylight into night conditions.