This is a plate designed to mount the Holosun 509T series optic (and similar) to the CZ P10 series of pistols using the factory optics cut. It mounts the optic as low as possible on the slide. It is fully machined in house.
Material: 7075 Aluminum
Coating: Black Hard Anodized
Product installation info: https://www.z9machining.com/czp10hs509t