Monstrum Ruger 10/22 Picatinny Rail Mount with Integrated Level Bubble

Picatinny rail mount for Ruger 10/22 model rifles with integrated level bubble Allows for the mounting of Picatinny or Weaver standard scopes, red dots, magnifiers, or other optics Installs via included set screws into the Ruger 10/22 factory mounting holes Integrated level bubble built into the rear of the rail to check for consistent vertical alignment of your rifle Crafted from lightweight aluminum, 4.5 inches in length and 1.1 ounces in weight