Precision-machined aluminum top mount base with Weaver's legendary cross-lock design. Matte black finish fits BSA, Colt, and Remington rifles with maximum strength and custom-tight tolerances.
Fits: Remington
The Weaver 40A represents the gold standard in rifle scope mounting. This top mount base delivers the rock-solid performance that has made Weaver a trusted name in shooting sports for generations.
This is a base built for shooters who demand reliability. Whether you're sighting in a hunting rifle or setting up a precision target gun, the 40A provides the foundation your scope needs to perform flawlessly. The tight tolerances mean your rings will stay put, shot after shot, season after season.