Product Description Underwood Ammo Xtreme Hunter Platinum Edition is designed to deliver deep, barrier-defeating penetration with a massive permanent wound cavity (PWC). Built from the proven Xtreme Defender lineage, the Xtreme Hunter uses an optimized fluted nose and solid copper monolithic construction to maintain performance through thick hide, bone, and other obstacles. This 10mm Auto load features nickel-plated brass cases for enhanced corrosion resistance and smoother feeding, and it is loaded with flash-suppressed powder to help preserve vision in low-light conditions. Each box contains 20 rounds of new production, non-corrosive, boxer-primed, reloadable ammunition. Product Highlights 10mm Auto 150gr solid copper monolithic bullet with optimized fluted nose for deep penetration and large PWC Platinum Edition coating helps resist oxidation, improves lubricity/feeding, and can reduce barrel wear versus standard monolithic projectiles Nickel-plated brass cases for improved corrosion resistance, reliable cycling, and easier cleanup during reloading Flash-suppressed powder helps protect night vision for low-light hunting or self-defense use New production, non-corrosive, boxer-primed and reloadable; 20 rounds per box (10 boxes per case) Specs Brand Name: UNDERWOOD AMMO Manufacturer Part Number: 942 UPC: 816874023768 Cartridge: 10mm Auto Bullet Weight: 150 gr Bullet Type: Solid Monolithic (Fluted) Bullet Material: Copper (lead-free) Bullet Diameter: 0.400 in Muzzle Velocity: 1425 fps Muzzle Energy: 676 ft-lbs Case Material: Nickel-plated brass Primer: Boxer Corrosive: No Reloadable: Yes Rounds Per Box: 20 Boxes Per Case: 10 Country of Origin: United States of America Sectional Density: 0.1339 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.