Weaver Mounts 48108 Top Mount Base 402 Black High-STD High Power Marlin 455/MR7

Each Weaver base is machined to tight tolerances for a custom fit. These aluminum bases offer maximum strength for rings to hold tight. This base offers the rock solid Weaver cross-lock design to fit a variety of rings. Designed for High-STD High Power Marlin 455/MR7.