The Weaver 48429 Top Mount Base 402M delivers secure optic mounting for Marlin 455 and MR7 rifles through precision-machined aluminum construction. This matte black scope base transforms these popular rimfire platforms into accurate, scope-ready systems for hunting and target shooting applications.
What Makes This Different
Unlike generic mounting solutions, the 402M features rifle-specific machining that matches Marlin's receiver dimensions exactly. The two-piece design distributes mounting stress evenly across the receiver while maintaining proper scope height for comfortable cheek weld. Weaver's proven cross-slot system accepts standard rings without modification or special tools.Key Features
- Precision-machined 6061-T6 aluminum construction for lightweight durability
- Matte black anodized finish resists corrosion and eliminates glare
- Two-piece design specifically engineered for Marlin 455 and MR7 receivers
- Standard Weaver/Picatinny cross-slot pattern accepts most scope rings
- Low-profile design maintains rifle's original handling characteristics
- Steel mounting screws included with thread-locking compound pre-applied
- Compatible with variable and fixed power riflescopes up to 50mm objective
Technical Specs
- Material: 6061-T6 aluminum alloy construction
- Finish: Matte black hard anodized
- Compatibility: Marlin 455 and MR7 rifle models
- Mounting pattern: Standard Weaver/Picatinny cross-slots
- Ring spacing: Approximately 3.5 inches center-to-center
- Height: Low profile design for proper scope alignment
- Hardware: Steel mounting screws with thread locker included
- Country of origin: United States
