Product Description Winchester Ammo Super-X WinClean .357 Magnum ammunition is built for reliable recreational shooting and range training with cleaner performance at the firing line. This load features a 125-grain Brass Enclosed Base (BEB) bullet designed to help reduce lead vaporization from the bullet base, paired with WinClean components intended to minimize residue and airborne lead. Packaged 50 rounds per box (10 boxes per case), it&';s a dependable choice for shooters who want the trusted performance of Super-X with the benefits of a cleaner-shooting design. Product Highlights WinClean Brass Enclosed Base (BEB) bullet helps reduce lead vaporization from the bullet base Super-X performance for consistent function and accuracy in .357 Magnum firearms 125-grain .357 Magnum load rated at approximately 1,370 feet per second muzzle velocity Cleaner-shooting components designed to reduce barrel/action residue at the range Convenient packaging: 50 rounds per box, 10 boxes per case Specs Brand: Winchester Ammo Model/Line: Super-X WinClean Manufacturer Part Number: WC3571 UPC: 020892212251 Caliber: .357 Magnum Bullet Weight: 125 grain Bullet Type: Brass Enclosed Base (BEB) (WinClean) Muzzle Velocity: 1,370 fps Muzzle Energy: 521 ft-lbs Rounds Per Box: 50 Boxes Per Case: 10 Primer Type: Boxer Application: Recreational shooting / training / range Country of Manufacture: USA Package Dimensions: 5.2 in (L) x 3.9 in (W) x 1.3 in (H) Package Weight: 1.65 lb 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.