Walther PDP 2.0 Holosun 507K Optic Plate by ZR Tactical Solutions Walther PDP 2.0 Holosun 507K Optic Plate by ZR Tactical Solutions These fit: PDP New Style Optic Cut (Gen 2) Restocking Fee Applies if you order for your GEN 1 CNC Machined... MSRP: Was: Now: $49.99 Add to Cart