Night Fision Optics Ready Stealth Night Sight Set Features The orange front sight is enhanced with a domed lens that collimates tritium rays creating a crisp and focused sight picture for improved accuracy. The black rear sight complements the front sight by minimizing visual clutter allowing for quick and precise alignment. Constructed from CNC-machined steel and finished with a Black Nitride coating these sights provide superior resistance to wear and corrosion. Specifically designed for the S&W M&P 9 Shield Plus they offer a perfect fit for optics-ready configurations. While gunsmith installation is recommended these sights are designed for straightforward integration and long-lasting performance. Night Fision Optics Ready Stealth Night Sight Set Specifications Manufacturer: Night Fision Model: Optics Ready Stealth Night Sight Set Front Sight: Orange with tritium insert and domed lens Rear Sight: Black with no tritium Material: CNC Machined high-quality steel Finish: Black Nitride coating Features: Brightest tritium on the market Domed lens for sharper sight picture Compatibility: S&W M&P 9 Shield Plus Installation: Gunsmith recommended Tritium Source: Swiss Tritium Country of Origin: Built in the USA