The C&H Precision Optic Mount Plate enables seamless conversion of your SIG P320 RX/Pro Series/AXG pistol to accept Holosun 407K/507K red dot sights. Precision machined on HAAS CNC machines with multiple quality checks this plate delivers the accuracy and reliability you expect.C&H Precision Optic Mount Plate for SIG P320 RX/Pro Series/AXGCompatible with Holosun 407K and 507K red dot sightsConstructed from 6061 aluminum with anodized finishIncludes stainless steel mounting hardwarePrecision CNC machined to tightest tolerancesMade in USA by family-owned businessPerfect for shooters looking to upgrade their SIG P320 with a reliable American-made mounting solution that maintains zero and withstands demanding use.