Nosler Unprimed Brass Rifle Cartridge Cases 25/ct .338 RUM

The Nosler Unprimed Brass Rifle Cartridge Cases .338 RUM is a precision reloading component designed for serious long-range shooters and competitive handloaders who demand consistency and reliability. Offered in a quantity of 25 rounds per box, these unprimed cases serve as the foundation for custom ammunition development, allowing shooters to control every variable in their reload sequence.

Manufactured to exacting tolerances, Nosler brass undergoes rigorous quality control to ensure consistent wall thickness, internal volume, and dimension uniformity—critical factors for cartridge headspace and pressure consistency. The .338 RUM (Remington Ultra Magnum) platform is a magnum rifle cartridge designed for extreme-range hunting and tactical applications, capable of delivering superior ballistic performance downrange.

Reloaders working with magnum rifle cartridges in .338 RUM will appreciate the quality of Nosler brass, which directly impacts accuracy, case longevity, and shot-to-shot velocity uniformity. The unprimed cases allow you to select match-grade primers tailored to your specific powder charge, bullet weight, and barrel harmonics, optimizing your reloading process.