Monstrum Single Picatinny Rail Mount for Henry Golden Boy Rifles. Compatible with the Ruger Mini 14 and Mini 30. Not compatible with other platforms. Scope mount attaches directly to receiver via included clamp mounts with no additional hardware required. Allows for the mounting of Picatinny or Weaver standard scope rings scope mounts red dots or other optics. See through channel at the base of mount allows for retaining use of the fixed iron sights. All Monstrum optics mounting products come with a lifetime guarantee. Package Contents: Monstrum Ruger Mini 14 / Mini 30 Ranch Single Picatinny Rail Mount Monstrum RM217: Single Picatinny Rail Mount for Henry Golden Boy Rifles