300 Ultra Magnum Brass

300 Ultra Magnum Brass

This once-fired 300 Ultra Magnum Brass provides reloaders with a durable, high-capacity option ideal for building long-range hunting and precision shooting loads. Collected primarily from indoor ranges, this brass features a mix of commercial headstamps and is easily cleaned, making it an excellent choice for shooters who value performance without the premium cost. Its structural integrity and reliability make it a dependable component for powerful .300 Remington Ultra Magnum reloads.

Every batch of 300 Ultra Magnum Brass undergoes magnetic and machine sorting to eliminate any steel cases, followed by multiple visual inspections to remove damaged or unusable brass. This ensures you receive components ready for resizing and trimming, offering strong case life and consistent reloading performance across multiple cycles.

Orders are packed to 101% of the advertised weight and securely bagged to safeguard your brass in transit. Whether you’re reloading for backcountry elk hunts or preparing for high-impact long-range steel, this brass gives you the foundation for repeatable accuracy and consistent ignition in magnum rifle platforms.

We also offer optional cleaning services for nearly all once-fired brass calibers, including the 300 Ultra Magnum. When selected, our team will clean and prep your brass to lube-ready condition, saving you time at the bench. If available, the option can be found above the product listing.

Designed for high-pressure loads and long-range ballistics, 300 Ultra Magnum Brass is a go-to choice for reloaders who require strength, consistency, and affordability in every shot. With proper care and prep, this once-fired brass offers extended case life and dependable performance in even the most demanding magnum applications.