Product Description Underwood Ammo combines trademark power and precision with Lehigh Defense Xtreme Penetrator bullets to deliver a hard-hitting .44 Remington Magnum load built for deep, straight-line penetration. Featuring a solid monolithic copper projectile with a uniquely engineered nose profile, this round is designed for reliable feeding and consistent performance for hunting and self-defense applications. Each box contains 20 rounds of new-production, non-corrosive ammunition in boxer-primed, reloadable nickel-plated brass cases. Product Highlights 220-grain Xtreme Penetrator solid monolithic copper projectile (lead-free) for maximum penetration Fluted/engineered nose profile designed to create high-pressure hydraulic effects and a larger permanent wound channel Nickel-plated brass cases for enhanced feeding and improved corrosion resistance Flash-suppressed powder helps preserve vision in low-light defensive situations New-production, non-corrosive, boxer-primed and reloadable for dependable field use Specs Brand: Underwood Ammo Cartridge: .44 Remington Magnum Bullet Weight: 220 gr Bullet Type: Xtreme Penetrator solid monolithic copper (lead-free) Bullet Diameter: 0.429 Muzzle Velocity: 1530 fps Muzzle Energy: 1144 ft-lbs Case Material: Nickel-plated brass Primer: Boxer Corrosive: No Reloadable: Yes Rounds per Box: 20 Boxes per Case: 10 Country of Manufacture: United States UPC: 816874020279 Manufacturer Part Number: 841 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.