Weaver 1 Piece Tip-Off Base This aluminum base mounts to the 10/22 receiver and provides a Weaver style rail for the mounting of Designed specifically for the Weaver Tip-Off rings Specifications: - Base Type: 1 Piece - Material: Aluminum - Finish: Silver Fits: - Ruger 10/2 - Mounts using factory drilled and tapped holes in the receiver - Mounting Hardware Included