Micro red dot mount for Ruger 10/22 rifles. Dedicated mounting solution that mounts to the factory mounting holes of the Ruger 10/22 platform. Compatible red dots attach directly to the red dot base. Two footprint options: Venom/Docter pattern (Vortex Venom/Viper, Burris Fastfire 2/3, Truglo, UTG Micro, other Docter/Noblex standard) and RMR pattern (Trijicon RMR/SRO, Holosun HS407C/507C/508T, Swampfox, other RMR footprint red dots).