This Weaver 423M scope base gives compatible rifle receivers a standard Weaver-style rail for mounting rings and a riflescope.

Key Specifications

• Mount Pattern: Weaver-style
• Model: 423M
• Manufacturer: Weaver

Frequently Asked Questions

What rings fit this base?

It’s built to the Weaver-style mounting pattern, so it accepts Weaver and Picatinny-compatible rings.

What is a top mount base used for?

A top mount base attaches to the receiver to give it a rail for mounting scope rings, which then hold the riflescope itself.

Buy the Weaver Top Mount Base, 423M

Find Weaver scope bases and mounting hardware from Weaver, or browse the scope bases category.