The Truglo TFO Tritium/Fiber-Optic Day/Night Sights Fit Ruger (FRONT ONLY) SR9 / SR9C SR40 / SR40C SR45 – Green is a TFO (Tritium Fiber Optic) day/night, square-post iron sight (front only) built for the Ruger SR9 / SR9c / SR40 / SR40c / SR45 (manufacturer part number TG131RT1).

It uses a green tritium/fiber-optic insert for fast visual acquisition under varied light.

Key Specifications

• Style is TFO (Tritium Fiber Optic) day/night, square-post.
• Sold as a front only sight.
• Uses a green tritium/fiber-optic insert.
• Fits the Ruger SR9 / SR9c / SR40 / SR40c / SR45.
• Runs with no batteries required, combining a tritium vial for low light with a fiber-optic element for daylight.
• Built from CNC-machined steel with a snag-resistant profile that fits standard holsters.
• Manufactured by Truglo.

Frequently Asked Questions

Will this fit my pistol?

This sight is built for the Ruger SR9 / SR9c / SR40 / SR40c / SR45. Confirm your exact model matches before ordering, since front and rear sight dovetails are not interchangeable across unrelated pistol families.

What color is the sight insert?

It uses a green tritium/fiber-optic insert for quick visual reference against the rear notch or front post.

Does this include both front and rear sights?

This listing is for the front only sight only; the other half of a set (if needed) is sold separately.

Buy the Truglo TFO Tritium/Fiber-Optic Day/Night Sights Fit Ruger (FRONT ONLY) SR9 / SR9C SR40 / SR40C SR45 – Green

Order from Schaefer Defense and shop more Truglo iron sights, or browse our full Gun Sights selection.