Manufactured with the traditional Nosler philosophy of uncompromising attention to detail, NoserCustom cartridge brass is created to exact dimensional standards and tolerances using quality materials for maximum accuracy, consistency potential and long case life. Nosler brass is full prepped and ready to reload. Case mouths are chamfered and deburred. Each case is hand inspected and weight-sorted. Flash holes are deburred and checked for proper alignment. This is not loaded ammunition.