The Weaver Standard Top Mount Aluminum Scope Base- Matte – #420M – Savage 10 (Flat Rear Receiver) is a scope base manufactured by Weaver (part no. 48438). It is designed to fit Savage 10 rifles with a flat rear receiver (#420M). Construction features lightweight aluminum with a matte finish. It uses a Weaver top-mount mounting system.

Key Specifications

• This scope base is manufactured by Weaver.
• Designed to fit Savage 10 rifles with a flat rear receiver (#420M).
• Uses a Weaver top-mount mounting system.
• Constructed from lightweight aluminum.
• Finished in a matte finish.
• Ships configured as a 1-piece base.
• Listed by the manufacturer under model designation Top Mount Base.
• Precision-made to be rigid, minimizing flex that could throw off a zeroed scope.
• Includes custom-made, hard-fastening screws and is designed for easy attachment and removal.

Frequently Asked Questions

What does this scope base fit? This listing is designed to fit Savage 10 rifles with a flat rear receiver (#420M); always confirm against your firearm’s exact model and receiver markings before ordering.

How is this scope base built? It uses a Weaver top-mount mounting system, lightweight aluminum, a matte finish.

How is this scope base packaged? It ships configured as a 1-piece base.

Buy the Weaver Scope Base

Shop more Weaver gear on our Weaver brand page, or browse the full Scope Bases selection at Schaefer Defense.