Weaver Top Mount Base #417M — Mossberg 500/835 Matte

Description

The Weaver Top Mount Scope Base #417M is a one-piece aluminum mounting base finished in matte black. It provides a Weaver-style cross-lock interface for Weaver rings and is machined to tight tolerances for a secure, repeatable fit. Intended for use on Mossberg 500-series shotguns (manufacturer listings also reference 590 and 835 models), it mounts to the receiver to support an optic or sighting setup. The low-profile design keeps optics aligned while maintaining a factory-fit appearance and function.

Key Specifications

• The material is aluminum for a rigid, lightweight platform.
• The finish is black matte.
• This product is a one-piece top mount base.
• The mount type is to receiver for secure attachment.
• Compatible fit is listed as Mossberg 500 (manufacturer notes also list 590 and 835 models).
• The product type is 1-piece base.
• Rings are not included; Weaver-style rings are required.
• The application identifier is #417.
• The overall dimensions are 0.60 x 3.25 x 5.00 inches.
• The design uses a Weaver cross-lock interface to hold rings securely.

For shooters who need a reliable, factory-fit mounting solution, the Weaver #417M delivers precision machining and a subdued matte finish that pairs well with standard Weaver rings. Its one-piece aluminum construction offers a dependable platform for optics used in hunting, patterning, and range work.