The SIG Sauer X-Ray3 sight set provides a three-dot day/night tritium system engineered for fast sight acquisition in low-light and daylight conditions. The set pairs an oversized green tritium front dot with a blacked-out square-notch rear to create a high-contrast sight picture. Steel housings surround the tritium inserts to resist solvents and protect the elements under repeated use. Tritium inserts are rated with an approximate 10 year half-life for extended low-light performance.
Key Specifications
- The sight set uses a 3-dot tritium system for reliable low-light visibility.
- The front insert is a 8 green tritium dot with an oversized, chemical-resistant finish for high contrast.
- The rear is a 8 square-notch with a blacked-out surround to aid rapid alignment.
- The visible elements provide day and night contrast—bright white in daylight and glowing in low light.
- The housings are constructed of steel to protect the tritium inserts from solvents and recoil.
- Tritium elements offer an approximate 10 year half-life for long-term low-light service.
- The design has reportedly been torture-tested to 20,000 rounds for durability under adverse conditions.
- The packaged item weight is approximately 0.05 lb for lightweight installation and carry.
Built to deliver consistent sighting across a range of light conditions, the X-Ray3 sight set balances durability and visibility with a proven tritium three-dot layout and robust steel surrounds. The oversized green front dot and square-notch rear simplify alignment for steady, repeatable aiming while the long-life tritium keeps the set effective in low-light scenarios for years. This sight set is a practical upgrade for shooters seeking dependable day/night performance and rugged construction in a compact pistol sight package.
