Monstrum Grimlock Ruger 10/22 Red Dot Mount RMR Footprint Black. All with the same functionality and reliability as standard optic mounts. The Ruger 10/22 red dot mount is a dedicated mount built specifically for the Ruger 10/22 platform. Not compatible with other rifle models. For direct mounting of your red dot onto your Ruger 10/22 receiver. Available in RMR Venom/Docter or RMSc footprint standards. Please view compatibility chart to verify the compatibility of your red dot before purchasing. Mount installs directly into the factory mounting holes on the Ruger 10/22 receiver using the included set screws. No additional hardware required. Specifications for Monstrum Grimlock Ruger 10/22 Red Dot Mount: Manufacturer: Monstrum Color: Black Gun Make: Ruger Gun Model: Ruger 10/22 Gun Type: Rifle Fabric/Material: 6061-T6 Aircraft Grade Aluminum Red Dot Sights-Footprint: RMSc Length: 4 in Width: 1.2 in Weight: 11 oz Features of Monstrum Grimlock Ruger 10/22 Red Dot Mount Dedicated red dot mount built specifically for the Ruger 10/22 platform. Not compatible with other rifle models. Grimlock Series optic mounts offer a sleeker and more distinctive design than previous generation mounts contoured to the curvature of your receiver. Installs directly into the factory mounting holes on the Ruger 10/22 receiver using the included set screws. Package Contents: Monstrum Grimlock Ruger 10/22 Red Dot Mount Monstrum ZD720R: Grimlock Ruger 10/22 Red Dot Mount RMR Footprint Black