Premium .223 / 5.56 Once-Fired Brass – Cleaned & Ready to Reload

Upgrade your reloading bench with Diamond K Brass’s premium once-fired .223 / 5.56 brass — the trusted choice for reloaders who demand consistency, quality, and value. Our .223 and 5.56 brass is hand-sorted, cleaned, and inspected to ensure superior performance and reliability every time you pull the trigger.

Why Choose .223 / 5.56 Brass from Diamond K Brass

• Precision-Inspected: Each case is examined for dents, cracks, and imperfections before packaging.

• Tumble-Polished Clean: All brass is free of range debris and lead residue, ready for resizing and loading.

• Mixed Headstamps: Sourced from trusted manufacturers for versatile, dependable performance.

• Bulk Options: Available in 500, 1,000, or 2,500 counts to fit any reloading need.

Save Big with Once-Fired .223 / 5.56 Brass

Reloading once-fired brass is one of the smartest ways to save money while maintaining shooting accuracy. With ammo prices continuing to climb, reloaders across the country rely on Diamond K Brass for affordable, high-quality reloading supplies. Our once-fired .223 / 5.56 brass delivers the performance you expect—without the high price tag of factory-new ammo.

Fast Shipping, Every Time

When you order from Diamond K Brass, you can count on quick processing and delivery. Most orders ship within 24–48 hours, so you can start reloading sooner. We include 2% extra brass in every order to ensure complete satisfaction.

Hear from Our Loyal Customers

“Excellent brass and even better service! The .223 brass I received was clean, uniform, and shipped fast. I won’t order from anyone else.”

Stock Up on .223 / 5.56 Brass Today

Whether you’re a hobby reloader or a commercial ammunition manufacturer, Diamond K Brass has you covered with top-grade once-fired .223 / 5.56 brass. Shop our full selection of rifle and pistol calibers, reloading components, and accessories—all available for fast nationwide shipping.