Winchester WSC307U Unprimed Cases deliver the foundation for precision .307 Winchester reloading with consistent wall thickness and primer pocket dimensions. These brass cases provide reloaders with the quality control and dimensional accuracy that Winchester manufacturing standards demand.
What Makes This Different
Winchester brass cases undergo multi-stage quality inspection during production, ensuring uniform case capacity and concentricity that directly impacts accuracy potential. The annealing process creates optimal neck tension for consistent bullet seating depth. Each case features properly sized primer pockets and flash holes positioned for reliable ignition across temperature ranges.Key Features
- Unprimed .307 Winchester brass ready for custom load development
- Consistent wall thickness maintains uniform internal capacity
- Properly annealed case necks provide optimal bullet retention
- Flash holes deburred and positioned for consistent ignition
- Primer pockets sized to SAAMI specifications
- 50 cases per bag for efficient reloading sessions
- Compatible with standard .307 Win reloading dies
Technical Specs
- Caliber: .307 Winchester
- Case Type: Unprimed rifle brass
- Quantity: 50 cases per bag
- Material: High-quality brass alloy
- Case Length: 2.015 inches (SAAMI spec)
- Manufacturer: Winchester Ammunition
- UPC: 020892632523
