The C&H Precision RMR to ACRO Adapter Plate enables mounting of Aimpoint ACRO and C&H Duty/Duty XL optics on existing RMR footprint mounts with precision-engineered reliability.C&H Precision RMR to ACRO Adapter Plate (SKU: RMR-ACRO-XL-ST)Patented stainless steel T-Nut with 6-7 threads of engagement6061 aluminum construction with MIL-SPEC Type III hard anodized finishPrecision machined on HAAS CNC machines to tightest tolerancesReplaceable mounting hardware for long-term serviceabilityCompatible with RMR footprint platesManufactured by C&H Precision's family-owned business in Coastal Georgia each plate undergoes multiple quality checks to ensure reliable performance for tactical and sporting applications.