The Peterson 6mm ARC Casings Box of 500 40074-P is perfect for high-volume reloaders seeking match-grade quality. These unprimed brass casings are designed for the 6mm ARC cartridge and are manufactured in the USA to ensure precision and consistency. Each casing features a small primer pocket and is made from high-quality materials for durability and reliability. The bulk box of 500 casings provides an ample supply for extensive reloading sessions, making it ideal for competitive shooters and avid hunters. Peterson Brass Peterson 6mm ARC Casings Box of 500 40074-P