Weaver Base Top Mount 402 – Detachable Aluminum Rifle Base

Overview

The Weaver Base Top Mount 402 is a purpose-built mounting solution for hunters who value a clean, low-profile setup. Crafted from high-quality aluminum, this top-mount base combines strength with a lightweight form, making it well suited to rugged field conditions.

Designed to work with detachable and adjustable rings, it helps you keep your scope secure while enabling fast detachment and reattachment when you need to switch configurations or transport gear. The base is machined to tight tolerances for a precise fit on compatible rifles, helping maintain consistent alignment from shot to shot.

Key benefits

• Top-mount aluminum base delivers a slim, reliable mounting surface
• Machined to tight tolerances for a precise, repeatable fit
• Supports detachable and adjustable rings for flexible configurations
• Aluminum construction provides strength to keep rings held tight under recoil
• Rugged design intended for hunting and field use with corrosion resistance from aluminum

What to expect in use

• Quick detachment and reattachment without losing zero when paired with compatible rings
• Consistent scope alignment that minimizes movement during transport and firing
• Lightweight yet sturdy base that helps balance the rifle without bulk

Compatibility and installation notes: This base is suitable for Winchester 402, Marlin 455, and MR7 high-power configurations when used with the appropriate rings. Follow standard installation steps and torque specifications for your hardware to ensure a secure fit. With its durable aluminum build and precision machining, the Weaver Base Top Mount 402 offers a reliable, field-ready mounting solution that keeps your setup streamlined and ready for action.