.30 Carbine Brass for Sale — New & Once-Fired Military-Grade Cases

Reload classic .30 Carbine rounds with confidence using Diamond K Brass. We offer both new and once-fired .30 Carbine brass sourced from military and commercial lots, hand-sorted, tumble-polished, and inspected to ensure reliable feeding and consistent reloading performance. Ideal for historical shooters, collectors, and reloaders who demand quality.

Military-Grade Heritage & Performance

Originally developed for U.S. military service, the .30 Carbine remains popular among collectors and small-rifle shooters. Our inventory includes authenticated military headstamp lots as well as quality new production cases — all sold unloaded and ready for depriming, resizing, and reloading.

Hand-Sorted, Polished & Ready to Load

At Diamond K Brass we inspect every lot for dents, cracks, and deformities. Each case is tumble-polished and cleaned of debris so it arrives ready for your reloading bench. That attention to detail reduces the risk of feeding issues and gives you consistent dimensional quality for better accuracy.

Bulk Quantities & Fast Shipping

We stock .30 Carbine brass in multiple pack sizes to meet both hobbyist and commercial needs — typically available in 200, 300, and 500-count boxes. Orders ship quickly with tracking, and we provide competitive pricing and discounted quotes for large or recurring orders.

Perfect for Collectors, Hunters & Range Shooters

Whether restoring a vintage M1 Carbine, building match loads, or stocking up for frequent range sessions, our .30 Carbine brass offers dependable performance and exceptional value. Reach out if you need headstamp-sorted lots or specialized packaging for bulk purchases.

Trusted Quality & Customer Service

“Diamond K Brass delivers consistent, military-grade brass every time — excellent communication and fast fulfillment.” Check our testimonials to see why shooters nationwide trust Diamond K Brass for premium once-fired and new brass.

How to Order

1. Select your quantity (200 / 300 / 500 packs or request a bulk quote).

2. Add to cart and check out with secure payment.

3. Receive tracking and expect fast processing and shipping.