Product Description Winchester Ballistic Silvertip ammunition is built for hunters who demand proven knock-down performance and extreme precision in the field. This 7mm Remington Magnum load features a 150-grain polymer tip bullet designed for rapid, controlled expansion and consistent terminal performance on big game. With a high-velocity 3,100 fps rating, it delivers the flat trajectory and downrange energy hunters expect from a magnum hunting cartridge. Product Highlights 150-grain Ballistic Silvertip polymer tip for rapid, controlled expansion on big game 7mm Remington Magnum hunting ammunition engineered for accuracy and dependable performance Rated muzzle velocity of 3,100 feet per second for flat-shooting magnum performance Brass-cased, boxer-primed centerfire cartridges for reliable feeding and ignition 20 rounds per boxideal for hunting season and range verification Specs Brand: Winchester Ammunition Product Line: Ballistic Silvertip Caliber: 7mm Remington Magnum Bullet Weight: 150 grain Bullet Type: Polymer tip (rapid controlled expansion) Muzzle Velocity: 3,100 fps Muzzle Energy: 3,200 ft-lbs Bullet Diameter: .284 Ballistic Coefficient: 0.493 Casing: Brass Primer Type: Boxer Rounds Per Box: 20 Country of Manufacture: USA MPN: SBST7 UPC: 020892210264 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 products manufacturer.