Shop Premium 5.56 Lake City Once-Fired Brass for Reloading

If you’re a shooting enthusiast looking to reload 5.56 brass ammunition, Diamond K Brass offers the best selection of Lake City once-fired brass online. Order today, and your brass will ship out as quickly as tomorrow. In addition to bulk 5.56 brass, we also stock a wide variety of reloading components, bullets, and brass supplies to keep you fully equipped.

At Diamond K Brass, we only provide high-quality once-fired 5.56 Lake City brass. Unlike some online retailers that may sell uneven or poorly sized casings—which can lead to jams and malfunctions—our brass is carefully inspected and sorted to ensure reliable performance.

Choosing once-fired 5.56 brass is one of the best ways to save money without compromising quality. With rising prices on factory-loaded ammo, reloaders can cut costs by ordering in bulk. We offer boxes of 500, 1,000, and 2,500 rounds of Lake City brass, giving you affordable options for recreational shooting or commercial reloading.

Browse our surplus brass selection below to find the ammunition cases you need. While you’re here, explore our full inventory of calibers, reloading supplies, and educational resources designed to help you reload smarter and save more.