Weaver 48430 Top Mount Base 402S Silver Marlin 455/MR7 High Power

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Description

The Weaver 48430 Top Mount Base delivers reliable scope mounting for Marlin 455 and MR7 rifles with precision-machined aluminum construction. This high-profile base positions optics at the optimal height for consistent cheek weld and comfortable shooting positions.

What Makes This Different

Unlike generic mounting solutions, the Weaver 402S base features rifle-specific machining that matches the exact receiver contours of Marlin 455 and MR7 models. The high-profile design provides 0.200" additional clearance over standard bases, accommodating larger objective lenses while maintaining proper scope alignment. Silver anodized finish resists corrosion and complements stainless steel barrel configurations.

Key Features

High-profile design provides 0.200" additional scope clearance
Precision-machined 6061-T6 aluminum construction
Silver anodized finish matches stainless steel rifles
Rifle-specific fit for Marlin 455 and MR7 receivers
Standard Weaver-style rail accepts most ring systems
Four-screw mounting pattern ensures secure attachment
Pre-drilled and tapped holes align with factory receiver holes

Field performance remains consistent across temperature extremes and heavy recoil cycles. The aluminum construction maintains zero retention through repeated mounting and dismounting of optics. Hunters appreciate the corrosion resistance during extended outdoor exposure, while target shooters benefit from the repeatable return-to-zero capability when switching between different scopes.

Technical Specs

Material: 6061-T6 aluminum alloy
Finish: Silver hard anodized
Height: High profile (0.200" over standard)
Length: 5.5 inches
Weight: 2.1 ounces
Compatibility: Marlin 455, Marlin MR7 rifles
Rail type: Standard Weaver/Picatinny compatible
Mounting: Four 6-48 screws (included)
Country of origin: United States

This base transforms standard Marlin rifles into precision platforms capable of accepting modern optics configurations. The engineering focuses on long-term reliability rather than cost-cutting compromises found in imported alternatives.