Product Description Sellier & Bellot rifle ammunition is designed and field-tested to deliver consistent performance and reliable function for range training and target use. This 7x57mm Mauser (7mm Mauser) load features a 140 grain Full Metal Jacket (FMJ) projectile for smooth feeding and dependable accuracy, packaged in a 20-round box and rated at approximately 2,621 feet per second muzzle velocity. Product Highlights 7x57mm Mauser (7mm Mauser) rifle ammunition for training, target, and range sessions 140 grain Full Metal Jacket (FMJ) bullet for reliable cycling and minimal deformation Approx. 2,621 FPS muzzle velocity for consistent downrange performance 20 rounds per box-ideal for practice, plinking, and match prep Brass casing with Boxer primer for dependable ignition and reloadable components Specs Brand: Sellier & Bellot Caliber: 7x57mm Mauser (7mm Mauser) Bullet Weight: 140 gr Bullet Type: Full Metal Jacket (FMJ) Muzzle Velocity: 2,621 fps Muzzle Energy: 2,136 ft-lbs Case Material: Brass Primer Type: Boxer Rounds per Box: 20 UPC: 754908510214 Manufacturer Part Number: SB757A 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.