The C&H Precision optic mounting plate is precision-engineered to convert your S&W M&P Shield Plus (Optic Ready) to accept Holosun 407K/507K red dot sights with perfect fitment and reliability.C&H Precision Optic Mounting PlateCompatible with S&W M&P Shield Plus (Optic Ready models)Designed for Holosun 407K/507K red dot sightsCNC machined from 6061 aluminum with anodized finishIncludes stainless steel mounting hardwareMade in USA with precision tolerancesManufactured by a family-owned business in Coastal Georgia each plate undergoes multiple quality checks and is machined on HAAS CNC equipment to ensure the tightest tolerances for secure dependable optic mounting.