Product DescriptionNosler E-Tip Lead-Free Ammunition is built for hunters who want dependable terminal performance without lead. Loaded with Nosler's E-Tip hunting bullet, this 8x57 JS Mauser (8mm Mauser) cartridge is designed for immediate, uniform expansion and deep penetration, retaining 95%+ of its weight for excellent performance on big game. The polymer tip and one-piece construction help deliver consistent accuracy and reliable expansion across a wide range of impact velocities.Product Highlights Lead-free Nosler E-Tip hunting bullet engineered for 95%+ weight retention and deep penetration Polymer tip initiates rapid expansion on impact while helping protect the bullet from deformation One-piece copper alloy construction designed to meet lead-free hunting regulations Boat-tail style profile helps reduce drag for improved downrange energy retention Brass-cased, Boxer-primed, non-corrosive, and reloadable for reliable field performanceSpecs Brand: Nosler Manufacturer Part Number: 40643 UPC: 054041406437 Cartridge/Caliber: 8x57 JS Mauser (8mm Mauser) Bullet Weight: 180 gr Bullet Type/Style: Nosler E-Tip (Expansion Tip), polymer tip Lead Free: Yes Case Type: Brass Primer: Boxer Corrosive: No Reloadable: Yes Muzzle Velocity: 2550 fps Muzzle Energy: 2599 ft-lb G1 Ballistic Coefficient: 0.427 Sectional Density: 0.246 Rounds Per Box: 20 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.