The Weaver Classic Top Mount Aluminum Base #401 is a one-piece, machined aluminum scope base finished in gloss black and designed for factory-drilled Smith & Wesson and Taurus revolvers. It uses Weaver’s cross-lock mounting interface and is compatible with Weaver-style rings. Installation requires the revolver to be factory drilled and tapped and the rear sight removed. Rings are not included with the base.
Key Specifications
- Intended for S&W FACTORY DRILLED REVOLVERS.
- Material is ALUMINUM.
- Finish is BLACK GLOSS.
- Product type is 1-Piece Base.
- Mount type is To Receiver.
- Dimensions are 0.55 X 3.25 X 6.50.
- Height is 0.5500.
- Width is 3.2500.
- Length is 6.5000.
- Weight is 0.12.
Engineered for shooters who require a stable, lightweight platform for mounting optics on compatible revolvers, the Weaver #401 offers tight machining tolerances and a proven Weaver-style interface. Its one-piece construction minimizes alignment concerns and keeps added weight low, while the gloss black finish provides a durable, low-profile appearance. Because rings are not included and installation requires factory drilling and sight removal, this base is best suited to revolvers prepared for optic mounting. For those fitting a scope to a factory-drilled S&W or Taurus revolver, the Weaver #401 delivers a straightforward, rigid mounting solution.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




