Weaver Shilen Round Receiver Aluminum Top Mount Standard Rear/Front 2-Piece Scope Base, Matte Black - 48501

Weaver 2-Piece Aluminum Top Mount Standard Rear/Front Scope Base For Shilen Round Receivers, Matte Black Finish - 48501Each Weaver base is machined to tight tolerances for a custom fit. These aluminum bases offer maximum strength for rings to hold tight.