Night Fision Optics Ready Stealth Night Sight Features The Night Fision Optics Ready Stealth Night Sights are equipped with the brightest Swiss Tritium inserts ensuring unmatched visibility in darkness. The innovative domed lens design collimates tritium rays for a sharper sight picture. Constructed from CNC-machined steel and finished with Black Nitride these sights deliver superior durability and resistance to wear and corrosion. Tailored for the HK VP9 they offer a seamless fit for optic-ready configurations. Night Fision Optics Ready Stealth Night Sight Specifications Compatibility: HK VP9 (Optics Ready) Front Sight: Orange with Tritium Insert Rear Sight: Black with Tritium Inserts Material: CNC-Machined Steel Coating: Black Nitride for wear and corrosion resistance Illumination: Swiss Tritium inserts for night visibility Lens Design: Domed for sharper sight picture Installation: Gunsmith recommended Country of Origin: Made in the USA