The Hornady .338 Norma Mag Unprimed Rifle Cartridge Cases provide a premium, elite-tier structural foundation for precision handloaders developing high-performance custom ammunition for extreme long-range platforms. Manufactured in small, specialized lots under highly strict quality standards, this high-grade component rifle brass guarantees exceptional piece-to-piece uniformity in raw weight, wall thickness, and internal powder capacity. Every single case is engineered with a focus on tight wall concentricity, establishing ideal bullet alignment inside the neck cave to prevent runout and verify an exact chamber fit. To withstand the staggering, prolonged pressures generated by the heavy magnum cartridge, Hornady subjects this raw brass to specialized factory pressure calibration testing to deliver uniform case expansion during firing. Packaged as a loose component box of 20 unprimed rifle cases, this rugged product utilizes highly durable, factory-new brass designed to retain its physical structural memory across an extended reloading lifespan. Hornady .338 Norma Mag Unprimed Rifle Cartridge Cases Box of 20 Rounds 86833