The Weaver 63BS is a one-piece top mount aluminum base finished in silver matte. Each base is machined to tight tolerances to provide a secure, repeatable fit for Weaver-style detachable rings. Designed to mount to the receiver, the base supports a range of ring heights and optic configurations without modification. This model is offered as a single-piece base and does not include rings.
Key Specifications
- Constructed from ALUMINUM for a lightweight, durable mount.
- Finish is SILVER MATTE.
- Model number is 63B-S.
- This product is a 1-Piece top mount base.
- Mount type is To Receiver.
- Application/fitment: 63B / Marlin 36, Marlin 336, Mossberg 640.
- Requires WEAVER STYLE rings; rings are not included.
- Overall dimensions are 0.50 x 3.25 x 8.40.
- Weight is approximately 0.11.
- Elevation is set at 0 MOA.
Whether mounting a compact scope for field use, range work, or general-purpose shooting, the Weaver 63BS provides a stable, repeatable platform that keeps optics secure and maintains zero. Its machined fit and aluminum construction deliver a dependable, lightweight mounting solution for shooters who value straightforward, high-quality hardware.
