The matte black Top Mount Base #430M from Weaver has been machined to tight tolerances for a custom fit. This aluminum base offers maximum strength so that the rings will hold...

Each Weaver base is precision built to tight tolerances for a custom fit and fight the effects of recoil with a square cut notch that mates to the sturdy cross bolt in every weaver detachable...

Weaver 48061 Base #61 Top Mount Scope Base is machined to tight tolerances for a custom fit Designed to fight the effects of recoil with a square-cut notch that precisely mates to the sturdy cross...

Each Weaver base is machined to tight tolerances for a custom fit. These Aluminum bases offer maximum strength for rings to hold tight. Bases are sold individually.