SKU: NO10227
UPC: 054041102278
MPN: 10227
Nosler Unprimed Brass Rifle Cartridge Cases in .300 Win Mag offer reloaders precision-manufactured components engineered for maximum accuracy and consistency. Introduced in 2005, Nosler's cartridge brass line represents the brand's commitment to exact dimensional standards and tolerances, delivering cases that extend service life while maintaining the tight specifications serious handloaders demand for precision rifle applications.
Each .300 Winchester Magnum unprimed brass case is manufactured to rigid tolerances using quality materials selected for consistency and durability across multiple reloading cycles. The 50-count package provides sufficient volume for load development or sustained practice and competition shooting without requiring bulk case purchases. Unprimed brass allows handloaders complete control over primer selection based on powder charge, bullet weight, and intended application—critical for optimizing velocity, pressure curves, and shot-to-shot consistency in a magnum rifle platform.
Long-range precision shooters, competition reloaders, and hunters pursuing magnum rifle loads recognize Nosler brass for its attention to detail and case longevity. The .300 Win Mag remains a standard in both civilian long-range shooting and field hunting applications where consistent ballistic performance and component quality directly impact downrange accuracy and reliability. These unprimed cases serve as the foundation for custom ammunition matched to individual firearm specifications and shooting requirements.
Nosler brass is produced to tighter specifications than many competitor offerings, with quality control that extends case life and reduces variability in the reloading cycle. For handloaders seeking dependable, precision components that support long-term accuracy potential across multiple shooting seasons, Nosler unprimed .300 Winchester Magnum brass delivers the consistency and dimensional accuracy required for serious rifle ammunition development.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
