Product DescriptionFederal Premium Personal Defense HST is built for effective self-defense, delivering consistent expansion, optimum penetration, and proven terminal performance. The HST jacketed hollow point is designed to resist plugging through common barriers, while the jacket and core are engineered to stay together for excellent weight retention. This full-power 10mm Auto load is optimized for reliable cycling and dependable performance, featuring a nickel-plated case and a high-performance primer for smooth feeding and corrosion resistance.Product Highlights HST jacketed hollow point design helps prevent cavity plugging for reliable expansion through barriers Optimized expansion and weight retention to achieve effective penetration without excessive over-penetration Nickel-plated case and performance primer support reliable function and feeding in semi-automatic pistols Full-power 10mm Auto personal defense load rated at 1130 fps muzzle velocity (5-inch test barrel) Convenient packaging: 20 rounds per box, 10 boxes per case (200 rounds total)Specs Brand: Federal Manufacturer Part Number: P10HST1S UPC: 604544646702 Caliber: 10mm Auto Bullet Weight: 200 grain Bullet Type/Style: HST Jacketed Hollow Point Muzzle Velocity: 1130 fps Test Barrel Length: 5 in Intended Use: Self-Defense Case: Nickel-plated (brass case construction referenced by retailer listings) Rounds Per Box: 20 Boxes Per Case: 10 (200 rounds per case) Country of Manufacture: 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.