XS Sights Standard Dot Tritium Night Sight — Colt Viper

The XS Sights Standard Dot Tritium front night sight is a drop-in replacement designed for Colt Viper revolvers and is also described as fitting Colt Cobra and King Cobra models. The front element combines a tritium vial with a photoluminescent Glow Dot to provide a high-contrast sight picture in both bright and low-light conditions. The Standard Dot front measures 0.140″ and is CNC machined from steel for long-term durability. The kit ships with common installation accessories to make swapping the front sight straightforward.

Key Specifications

• The front sight uses a tritium-powered front sight for low-light illumination.
• The front dot measures 0.140″ for a large, visible aiming point.
• The sight incorporates a photoluminescent Glow Dot that absorbs ambient light and glows in low light.
• Construction is CNC machined steel for strength and wear resistance.
• The product includes a 12 year warranty on the tritium component.
• The kit includes a front sight, blue threadlocker, hex wrench, insert, and instructions.
• Designed to fit Colt Viper revolvers per product specifications.
• Also described as compatible with Colt Cobra and King Cobra revolvers in manufacturer notes.
• Finish and style specified for Colt Viper applications with a high-contrast colored front sight.

Whether you carry a Colt Viper as an everyday-carry option or prefer a reliable revolver for range work, the XS Sights Standard Dot Tritium front sight improves sight acquisition in varied lighting without changing your handgun’s profile. The combination of a tritium lamp and a photoluminescent Glow Dot delivers visible, high-contrast alignment quickly, while the steel construction and included installation hardware make this a practical, long-lasting upgrade for shooters seeking a straightforward, durable sight solution.