Weaver Base Top Mount #43 - Aluminum Black

The Weaver Base Top Mount #43 Aluminum Black is a precision-engineered scope mounting solution designed for shooters who demand reliable, repeatable accuracy. This aluminum top mount serves as the critical interface between your firearm's receiver and your optic rings, making it an essential component for any rifle setup. Whether you're a tactical operator, competitive marksman, or precision hunter, a quality Weaver base ensures your scope stays zeroed through extended shooting sessions and field use.

Constructed from aluminum and finished in black, this mount is machined to tight tolerances that guarantee a custom fit with compatible Weaver-pattern rings and bases. The precision machining maximizes contact surface area, allowing your rings to clamp down with even pressure and hold your scope securely without shifting or loosening. The compact 3.4-inch profile and lightweight 0.03 lbs design make it ideal for builds where weight matters, while the durable aluminum construction resists corrosion and maintains dimensional stability across temperature and humidity changes.

This top mount is compatible with any firearm receiver that accepts standard Weaver-pattern bases, making it a versatile choice for AR-pattern rifles, bolt-action platforms, and other modern sporting rifles. Installation is straightforward—simply secure the base to your receiver using the appropriate fasteners for your platform, then mount your rings and optic. For shooters upgrading their mounting hardware or building a precision rifle from components, the Weaver Base Top Mount #43 delivers the mechanical reliability and repeatability required for consistent long-range performance.