New and Once-Fired .45 Colt Brass for Reloading

Diamond K offers high-quality .45 Colt brass for handguns and pistols, available in both new and once-fired options. Our reloadable brass is made from durable yellow brass and comes with mixed headstamps, starting in quantities of 100 pieces or more. Whether you’re a commercial reloader or a recreational shooter, our .45 Colt reloading brass provides a reliable and cost-effective solution for building your ammunition supply.

Buying brass in bulk is always a smart choice, and Diamond K makes it even better with competitive prices and a satisfaction guarantee. Every order is backed by our commitment to quality, and we include an extra 2% brass with each shipment to ensure you get the value you deserve.

While shopping for .45 Colt once-fired brass, don’t forget to browse our wide selection of other calibers and reloading components. From handgun brass to rifle cases, we carry everything you need to keep your press running and your ammo supply stocked.

We pride ourselves on fast, dependable service. Most orders are processed and shipped within 1–2 business days, so you can reload without unnecessary delays. For commercial reloaders or customers interested in bulk orders, give us a call directly at 1-855-357-3030 for personalized assistance and special pricing.

At Diamond K Brass, you’ll always find reliable brass, fair pricing, and fast shipping — everything you need to reload with confidence.