The C&H Precision plates are designed, manufactured and shipped from their small family owned business in Coastal Georgia. Each plate is precision machined to the tightest tolerances on HAAS CNC machines and each plate goes through multiple quality checks before shipping to our customers.Features :For Converting the CZ P10 (Optic Ready) to the Holosun 407K/507KPlates Are Made from 6061 AluminumStainless Steel Mounting HardwareMade in the USA