Each Weaver Top Mount Scope Base is machined 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 ring. Custom hardened fastening screws come with every Weaver base. These aluminum bases offer maximum strength for rings to hold tight.
One piece Top Mount Base Designed for:
Mossberg 500 - 1997 and newer
Mossberg 590 and 835 shotguns
Model number: Weaver 48440