Product DescriptionWeatherby Select Plus rifle ammunition is built to deliver the speed, power, and accuracy Weatherby Magnum cartridges are known for. This load features a 270-grain Barnes Triple-Shock X (TSX) lead-free bullet designed for controlled expansion and deep penetration, making it a strong choice for demanding big-game hunting applications. Each box includes 20 rounds of premium, boxer-primed, reloadable brass-cased ammunition.Product Highlights Premium Weatherby Select Plus hunting ammunition engineered for hard-hitting magnum performance 270-grain Barnes Triple-Shock X (TSX) lead-free bullet for controlled expansion and penetration .378 Weatherby Magnum cartridge for large game and long-range hunting applications Boxer-primed, reloadable brass cases (non-corrosive components noted by retailers) 20 rounds per box (10 boxes per case per source data)Specs Brand: Weatherby Manufacturer Part Number: B378270TSX UPC: 747115415854 Cartridge / Caliber: .378 Weatherby Magnum Bullet Weight: 270 gr Bullet: Barnes Triple-Shock X (TSX), lead-free (solid hollow point noted by retailer) Muzzle Velocity: 3060 fps Muzzle Energy: 5613 ft-lbs Case: Brass (reloadable) Primer: Boxer Rounds Per Box: 20Disclaimer: 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.