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

Extended Length Picatinny rail mount for Ruger 10/22 model rifles - 1 inch longer with more forward extension that our standard version - allowing for more flexibility in optic placement Integrated level bubble built into the rear of the rail to check for consistent vertical alignment of your rifle Installs via included set screws into the Ruger 10/22 factory mounting holes Allows for the mounting of Picatinny or Weaver standard scopes, red dots, magnifiers, or other optics Extended version is 5.5 inches in total length with 13 rail slots versus 4.5 inches with 11 slots for the standard version.