Product DescriptionHornady Superformance rifle ammunition is engineered to deliver significantly higher velocities than conventional loads-often up to 100-200 fps faster-while maintaining safe pressure levels and consistent accuracy. This .300 Winchester Magnum load features Hornady's CX (Copper Alloy eXpanding) monolithic hunting bullet, designed for uniform, controlled expansion, deep penetration, and high weight retention for dependable big-game performance. Superformance's progressive propellants help provide stable results across a wide range of temperatures, making it a strong choice for serious hunters who want flatter trajectories and reliable terminal performance.Product Highlights CX (Copper Alloy eXpanding) monolithic bullet for controlled expansion, deep penetration, and high weight retention Superformance propellant technology delivers higher velocity versus conventional ammunition (often 100-200 fps faster) Temperature-stable performance for consistent results in varying field conditions Lead-free hunting bullet design suitable for regions requiring non-traditional projectiles Boxer-primed, non-corrosive, reloadable centerfire rifle ammunitionSpecs Brand: Hornady Product Line: Superformance Cartridge: .300 Winchester Magnum Bullet Weight: 165 gr Bullet Type/Model: Hornady CX (Copper Alloy eXpanding), polymer tip Lead Free: Yes Rounds per Box: 20 Muzzle Velocity: 3260 fps Muzzle Energy: 3893 ft-lbs Ballistic Coefficient (G1): 0.440 Sectional Density: 0.248 Primer Type: Boxer Corrosive: No Reloadable: Yes Country of Manufacture: USA UPC: 090255719987 Manufacturer Part Number: 820264Disclaimer: 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.