Product DescriptionFederal Premium Personal Defense Hydra-Shok is a proven self-defense handgun load, trusted for decades for its consistent accuracy and terminal performance. This .357 Magnum ammunition features the Hydra-Shok jacketed hollow point design with a notched copper jacket and center-post hollow point engineered to initiate and control expansion for reliable performance when it matters most. Packaged in a 20-round box (25 boxes per case), it's built with stringent manufacturing and testing standards to deliver dependable results.Product Highlights Hydra-Shok jacketed hollow point (JHP) design built for personal defense performance Notched copper jacket helps initiate and control bullet expansion Center-post hollow point promotes reliable expansion and consistent terminal results 158 grain .357 Magnum load rated at 1240 feet per second muzzle velocity 20 rounds per box; 25 boxes per case for convenient stockingSpecs Brand: Federal Manufacturer Part Number: P357HS1 UPC: 029465085421 Cartridge/Caliber: .357 Magnum Bullet Type: Hydra-Shok Jacketed Hollow Point (JHP) Bullet Weight: 158 grain Muzzle Velocity: 1240 fps Muzzle Energy: 539 ft-lbs Rounds per Box: 20 Boxes per Case: 25 Case Material: Nickel-plated brass Primer Style: Centerfire Country of Manufacture: Made in the USADisclaimer: 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.