Kensight Ruger Revolver Mini Reflex Mounting Adaptor Plate RMR/Holosun Black. Kensight optic mounts are machined from 4140 chrome-moly steel using advanced Wire-EDM technology guaranteeing the tightest tolerances possible for rock-solid stability and perfect alignment. Kensight Limited Lifetime Warranty ensures that you can count on our premium-quality scope mounts. Join the elite community of competition shooters and professionals who trust Kensight to take their shooting to the next level. Specifications for Kensight Ruger Revolver Mini Reflex Mounting Adaptor Plate: Manufacturer: Kensight Red Dot Sights-Footprint: Holosun K Optic Cut: RMR Cut Fabric/Material: 7075 Aluminum Color: Black Finish: Versaguard Coating Gun Make: Ruger Gun Type: Revolver Package Contents: Kensight Ruger Revolver Mini Reflex Mounting Adaptor Plate Kensight 850621: Ruger Revolver Mini Reflex Mounting Adaptor Plate RMR/Holosun Black