Night Fision Optics Ready Stealth Night Sight Set Features The orange front sight incorporates a domed lens which collimates tritium rays for a sharper clearer sight picture ensuring quick target acquisition even in low-light conditions. The black rear sight complements the front sight eliminating distractions for precise alignment. Constructed from CNC-machined steel this sight set is engineered for long-lasting durability. The Black Nitride coating enhances wear and corrosion resistance making it ideal for rugged environments. Specifically designed for optics-ready Walther PDP pistols the set integrates seamlessly into your firearm setup. While gunsmith installation is recommended these sights are crafted for straightforward attachment and long-term reliability. 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: Walther PDP Compact 4 Walther PDP Full Size 4 Walther PDP Full Size 4.5 Installation: Gunsmith recommended Tritium Source: Swiss Tritium Country of Origin: Built in the USA