The Weaver #418M is a top-mount scope base intended for firearms with round receivers, notably CVA in-line muzzleloaders. It is machined from aluminum and finished in matte black to provide a rigid mounting surface for Weaver-style rings. The design aims to offer a stable interface between the receiver and scope rings for field and range use.
Key Specifications
- Made by Weaver.
- Model designation is #418M.
- Constructed from aluminum for strength and light weight.
- Finish is black matte.
- Mount style is top-mount for installation to the receiver.
- Compatibility includes CVA round receivers (pre-2010 round barrels/post-1996 receivers), Remington Genesis, Traditions In-Line muzzleloaders, Winchester X-150, and APEX muzzleloaders.
- Requires Weaver-style rings for attachment.
- Rings are not included.
- Listed dimensions are 0.70 x 1.65 x 3.45 (as provided in source data).
- Elevation is specified as 0 MOA in source attributes.
This base provides a precision-machined platform for Weaver-style rings where compatibility with round receivers is required. Its aluminum construction and matte finish are suited to practical field use and mounting optics that require a stable, low-profile interface.
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.




