Weaver Mounts 48632 Top Mount Base 411 Black Aluminum Thompson Center

The Weaver Mounts 48632 Top Mount Base is a precision-machined 1-piece scope base purpose-built for Thompson Center rifles. Part of Weaver's well-known 411 base series, this top mount delivers a solid, receiver-mounted foundation for Weaver-style rings and optics.

Each base is machined to tight tolerances from durable aluminum and finished in a classic black gloss, delivering the custom fit and maximum strength serious shooters expect from Weaver. The 1-piece design eliminates alignment issues between front and rear bases, giving you a simple and secure mounting platform that helps your rings hold zero shot after shot.

Designed as a dedicated top mount for the Thompson Center rifle receiver, the 48632 measures approximately 0.85" x 2.35" x 3.35" and installs directly to the receiver. Rings are sold separately, so you can pair this base with your preferred Weaver-style rings to complete your optic mounting setup.

Backed by Weaver's limited lifetime manufacturer warranty, the 48632 Top Mount Base is a time-tested choice for hunters and sport shooters looking to outfit their Thompson Center rifle with a dependable scope mounting platform.