| Fits Walther PDP pistols Optics height for DPP & Holosun 509T Tritium illuminated front sight Black front ring for subdued visibility Blank rear sight for clean sight picture Lower 1/3 co-witness with red dot optics | Precision CNC-machined steel construction Durable black nitride finish Enhanced low-light performance Ideal for duty, carry, and defensive shooting Made in USA by Night Fision |