The C&H Precision Walther PDP V2 Optic Mounting Plate is precision-machined from 6061 aluminum with MIL-SPEC Type III hard anodized black finish for maximum durability and corrosion resistance.C&H Precision Walther PDP V2 Optic Mounting PlateFits Walther DEFENSE PDP 2.0 PDP F Series PDP Pro and PDP Steel FrameCompatible with C&H COMP C&H EDC-XL Holosun 407C/507C/507Comp/508T Trijicon RCR RMR and SRO optics6061 aluminum construction with MIL-SPEC Type III hard anodized finishPatented stainless steel T-Nut with 6-7 threads of engagementReplaceable mounting hardware systemPrecision CNC machined to tight tolerancesManufactured in Coastal Georgia with rigorous quality control this mounting plate provides a secure reliable platform for your red dot optic with industry-leading thread engagement and replaceable hardware for long-term serviceability.