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 : RMR Sealing Plate Allows the rmr to be submerged up to 66ft for up to 1 hour without leaks Compatible with all Trijicon manufactured rmr pistol mounts Made from stainless steel Made in the USA