C&H precision plates are expertly designed and crafted by our small, family-owned business in Coastal Georgia. Each plate is meticulously precision-machined to the highest standards, ensuring exceptional quality and performance. Using advanced HAAS CNC machines, we create products with the tightest tolerances, delivering reliable and precise results for every customer. Constructed from 6061 aluminum for a lightweight yet strong build All mounting hardware is made from stainless steel for corrosion-resistance and durability Mil-Spec type III hard anodized plates in black provide superior corrosion-resistance Designed for converting the Springfield Armory XDM OSP to the Holosun 407K/507K, providing greater versatility in optic selection