Product DescriptionCOR(R)BON DPX(R) handgun ammunition is built for defensive use where consistent, barrier-blind performance matters. It features a homogenous 100% solid copper DPX bullet designed to retain 100% of its weight through heavy barriers such as auto glass or steel. Internal serration cuts (instead of traditional external serrations) help the projectile expand reliably, producing a wide wound channel with six razor-sharp petals for deep penetration and dependable terminal performance.Product Highlights Barrier-blind defensive .357 Magnum load engineered to perform after penetrating tough barriers Homogenous 100% solid copper DPX projectile designed for full expansion and maximum weight retention Internal serration cuts promote consistent expansion and a wide, petaled profile High-velocity performance rated at approximately 1,300 feet per second Convenient 20-round box for carry, duty, or defensive firearm storageSpecs Cartridge: .357 Magnum Bullet Weight: 125 grain Bullet Type/Design: DPX solid copper hollow point (lead-free) Muzzle Velocity: 1,300 feet per second Rounds Per Box: 20 Case Type: Brass Primer: Boxer Corrosive: No Reloadable: Yes Country of Origin: United States of America Brand: Corbon Ammo Manufacturer Part Number: DPX357125 UPC: 757750357150Disclaimer: 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.