Product DescriptionWinchester Ammo unprimed .357 Magnum brass shellcases are engineered to precise tolerances to help promote smooth feeding and positive chambering. Made for handgun reloaders who want dependable, consistent components, these new brass cases provide a quality foundation for building custom loads and can be reloaded multiple times with proper care.Product Highlights Unprimed .357 Magnum handgun brass cases for reloading and custom load development Manufactured to tight tolerances for smooth feeding and positive chambering Consistent case quality for reliable performance from case to case New brass construction designed for durability and multiple reload cycles Convenient 100-count bag for stocking the reloading bench Specs Cartridge: .357 Magnum Case material/finish: Brass Primed: No (unprimed) Quantity: 100 cases (bag) Country of origin: United States of America UPC: 020892632301 Manufacturer part number: WSC357MU Brand: Winchester Ammo Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.