TruGlo TG131NT3 TFO Black | Green Tritium & Fiber Optic Front & Rear Sight Set

The TruGlo TG131NT3 TFO tritium and fiber optic sight set brings proven dual-light technology to your 1911, giving you a sight picture that works whether you're at the range in bright sun or drawing in low light. This front and rear sight pair combines self-illuminating tritium with bright fiber optic elements, so you get daylight-fast target acquisition from the fiber and a glow-in-the-dark backup when ambient light drops. It's the kind of insurance that works across the full spectrum of shooting situations—no batteries required.

Built for Novak LoMount dovetail cuts on 1911-style frames (3" Officers and 4.25" Commander models in .45 ACP), this set arrives ready to fit pistols already wearing the standard Novak cut. The sights feature a snag-resistant profile that clears typical holsters, and the all-metal CNC-machined construction is built to take the rack-and-bang life of a working gun. Green tritium and fiber elements ensure fast sight acquisition in any light.

Installation into Novak LoMount dovetails requires precise fitting; a competent gunsmith will ensure they're seated perfectly and zero'd without hassle. If your 1911 already has Novak sights or a Novak-cut slide, this swap is straightforward; if you're starting from a different cut, gunsmithing work may be needed to migrate to the Novak standard.

Key Features

• Tritium and fiber optic elements—fast sight picture in daylight, glow-in-the-dark backup at night
• Novak LoMount .260 front / .500 rear—fits standard 1911 Officers and Commander models
• CNC-machined metal construction for durability and reliability
• Snag-resistant design—clears standard holster profiles
• No battery dependency—tritium self-illuminates for decades

Specifications

Frequently Asked Questions

Will these sights fit my 1911?

The TG131NT3 is designed for 1911s with Novak LoMount dovetail cuts. If your slide already has that cut, installation is straightforward. If your 1911 uses a different sight system, gunsmithing to migrate to the Novak standard may be required.

Do these sights need batteries?

No. The tritium is self-illuminating and requires no power source. The fiber optic elements gather ambient light during the day, and the tritium provides a glow at night or in low light without any battery.

What's included in this set?

This is a front and rear sight pair—a complete set to replace your existing sights on a compatible 1911 frame.

Why would a gunsmith be needed for installation?

These sights require precise fitting into Novak LoMount dovetails to sit correctly and zero accurately. A gunsmith ensures proper seating, alignment, and that your zero is solid before you rely on them.