Winchester WSC41RMU Unprimed Brass Cases .41 Rem Mag 100ct

Winchester WSC41RMU unprimed brass cases deliver the consistent quality and dimensional precision that serious .41 Remington Magnum handloaders demand. These factory-fresh cases provide the foundation for developing accurate, reliable ammunition tailored to specific shooting requirements.

What Makes This Different

Winchester brass cases undergo multi-stage quality control processes that ensure uniform wall thickness and precise dimensional tolerances. Each case features optimized brass alloy composition that balances durability with workability, allowing for multiple reloading cycles without case head separation or neck splitting. The consistent internal volume promotes uniform powder burn and predictable ballistic performance compared to mixed-headstamp brass.

Key Features

• Unprimed .41 Remington Magnum brass cases ready for custom loading
• 100-count packaging provides sufficient quantity for load development
• Uniform wall thickness within 0.002 inches for consistent performance
• Annealed case necks prevent work hardening during bullet seating
• Flash hole diameter standardized to 0.080 inches for reliable ignition
• Case length held to SAAMI specifications of 1.290 inches
• Compatible with all standard .41 Rem Mag loading dies and equipment

These cases excel across multiple applications from target shooting to hunting loads. The .41 Remington Magnum cartridge delivers substantial stopping power for medium game hunting while remaining manageable in properly weighted revolvers. Competition shooters appreciate the consistent case capacity that enables precise powder charges and repeatable accuracy. The robust case construction withstands the high pressures generated by full-power magnum loads without primer pocket loosening.

Technical Specs

• Caliber: .41 Remington Magnum
• Case length: 1.290 inches
• Rim diameter: 0.515 inches
• Base diameter: 0.434 inches
• Material: 70/30 brass alloy
• Primer pocket: Large pistol
• Flash hole: 0.080 inches
• Quantity: 100 pieces per bag
• Condition: New, unprimed
• Manufacturer: Winchester Ammunition

Winchester's reputation for ammunition component quality spans over 150 years of manufacturing excellence. These cases provide the consistency and reliability that handloaders require for developing precision ammunition. The 100-count packaging offers an economical entry point for shooters transitioning to custom loads or expanding their brass inventory.