Weaver Top Mount Base #403 – Aluminum, Gloss Black, Fits Winchester 94

This Weaver one-piece top mount base (#403, MFG 48107) is machined to tight tolerances and built from aluminum with a gloss black finish. It uses the rock-solid Weaver cross-lock design to provide a stable platform for Weaver-style rings and is intended for fitment on compatible Winchester 94 angle-eject receivers. The base is configured as a one-piece top mount and ships without rings.

Key Specifications

• The material is ALUMINUM.
• The finish is BLACK GLOSS.
• The application/model reference is #403.
• The base style is WEAVER.
• The base is a 1-Piece Base designed to mount to the receiver.
• The mount type is To Receiver.
• Rings are included: No.
• The elevation is set at 0 MOA.
• The listed dimensions are 0.65 x 3.40 x 8.10.
• The listed weight is 0.05.

Solid, precisely machined, and compatible with Weaver-style rings, this top mount base provides a clean, reliable platform for optics on compatible Winchester 94 angle-eject rifles. Its one-piece construction and durable aluminum build make it an effective solution for shooters seeking a straightforward, low-profile mounting option that prioritizes stability and repeatable alignment.