The C & H Precision Walther PPQ V4 MIL/LEO Plate is a heavy-duty, professional-grade adapter designed to mount Holosun 407K and 507K micro red dots onto optics-ready Walther PPQ pistols. Precision-machined from 6061-T6 aluminum and protected by a MIL-SPEC Type III hard anodized finish, this plate replaces factory adapters with a much more secure and stable mounting platform. A standout feature is the integrated rear sight built directly into the back of the plate, allowing shooters to maintain a reliable backup iron sight picture after the factory rear sight is removed. It utilizes C & H's patented replaceable 416 stainless steel T-nut system, which provides superior thread engagement and simplifies hardware maintenance if screws are ever damaged. This American-made solution is engineered to eliminate movement and maintain a repeatable zero under high-stress duty or competition recoil. C& H Precision Walther PPQ V4 MIL/LEO Plate For Holosun 407K-507K w/ Rear Sight Rear WLPPQ-HOLOk