| Fits Walther PDP pistols Compatible with RMR, 507C & 508T optics Optics-height suppressor sights Tritium illuminated front sight High-visibility yellow front ring Blank rear sight for clean sight picture | Lower 1/3 optic co-witness capability CNC-machined steel construction Black nitride corrosion-resistant finish Enhanced day & low-light visibility Ideal for duty, carry, and defensive use Made in USA by Night Fision |