Winchester Rifle Brass 6mm Remington Unprimed 50/Pack. Simply clean lubricate and form the case to your specifications and you're ready to go. The Winchester 6 Remington Brass Cartridge Case is ideally suited for competitive shooting and big game hunting. Made with precision the Winchester 6 Remington Cartridge Brass Case is preferred by many competitive shooters and hunters. At Winchester we make every casing to the same exacting specifications using state-of-the-art equipment and manufacturing techniques. For that reason you can expect the best casings for your shooting and reloading needs. Specifications for Winchester 6mm Remington Unprimed Rifle Brass: Manufacturer: Winchester Caliber: 6mm Remington Primed: No Brass Quantity: 50 Piece Cartridge Case Material: Brass Package Contents: Winchester Unprimed Rifle Shellcases 6Mm Remington Winchester WSC6MMRU: Rifle Brass 6mm Remington Unprimed 50/Pack