Power Custom 1-Piece Barrel Mount Weaver Scope Base Ruger 10/22 Matte Black

These are quality aluminum bases from Power Custom that work with all Weaver-style rings. Please note that this base mounts to both the receiver and the barrel, and the barrel must be drilled and tapped to accept this base. Notes: Requires drilling and tapping two holes in the barrelFor use with .920" diameter barrelsAttaches to both the factory receiver holes and the barrel