| Designed for Walther PDP pistols Optics-height for DPP & Holosun 509T Tritium illuminated front sight High-visibility yellow front ring Optimized for red dot optic use Lower 1/3 co-witness capability | CNC-machined steel construction Black nitride corrosion-resistant finish Fast sight acquisition day or night Duty, carry, and defensive ready Made in USA by Night Fision |