The C&H Precision V4 MIL/LEO Trijicon® RMR®/Holosun® Optics Mounting Plate with Rear Sight for Walther PPQ, Q4, Q5 pistols is a combat-tested aftermarket mounting plate, featuring a milled rear sight for reliable and true co-witness and intuitive target acquisition in virtually any tactical or personal defense scenario. Engineered to deliver superior stability and consistent field service you can depend on, this optics plate boasts CNC-machined 6061 aluminum construction for superior stability and reliability, while the corrosion-resistant Mil-Spec Type III hard-coat anodized finish offers superior protection against moisture, rust, scratches, and corrosion. The included 416 stainless steel T-nuts maximize thread engagement for quick installation and reliable stability while on the move. To top it off, this mounting plate includes M3 plate screws and optic mounting screws for maximum versatility and field-ready service right out of the box. Order yours today and enjoy superior reliability and consistent service in any target-rich environment.