Premium .358 Winchester Brass – New & Once-Fired Cases for Reloading

Reload with confidence using Diamond K Brass .358 Winchester (358 Win) brass. We offer both new and once-fired .358 Win cases, hand-sorted, tumble-polished, and carefully inspected to ensure consistent dimensions and dependable performance. Ideal for hunters, lever-rifle enthusiasts, and precision reloaders who want reliable brass for big-game loads.

Why Choose Diamond K .358 Win Brass

• Certified Quality: Each lot is inspected for cracks, splits, and deformities before packaging.

• Ready to Process: Once-fired cases are cleaned and polished so they arrive ready for depriming, resizing, and loading.

• New & Once-Fired Options: Save with once-fired brass or opt for new cases when match-grade precision is required.

• Consistent Performance: Uniform case geometry helps produce stable pressures and predictable ballistics for hunting and target work.

Ideal Uses & Ballistics

The .358 Winchester is a powerful lever-action cartridge well suited for deer, elk, and similar North American big game at moderate ranges. Its performance makes it a favorite for hunters who want the power of magnum-style bullets in short-action platforms.

Bulk Options & Fast Shipping

We stock .358 Win brass in practical pack sizes to suit hobbyists and commercial reloaders — typically available in 100, 250, and 500-count packs. Most orders ship within 24–48 hours with secure packaging and tracking. Large orders qualify for discounted bulk pricing — contact us for a custom quote.

Save Without Sacrificing Quality

Reloading with once-fired .358 Win brass delivers substantial cost savings over factory-loaded rounds while maintaining the accuracy and safety you expect. Diamond K Brass provides the reliable cases you need to tailor loads for hunting or competition.

Trusted Service & Satisfaction

Diamond K Brass is known for fast turnaround, consistent product quality, and responsive customer support. Order your .358 Winchester brass today and reload with confidence.