Weatherby Select Plus with the ultimate in speed power and velocity. It's the flattest shooting hardest hitting most accurate ammo you can buy. It pairs Weatherby's magnum design with the most popular bullet offerings from Barnes Hornady Swift Berger and Nosler. With Select Plus there's a bullet option to meet every hunting or shooting situation. - Caliber: 257 Weatherby Magnum - Bullet Type: Barnes Tipped TSX Lead Free - Bullet Weight: 100 gr - Muzzle Energy: 2830 ft / lbs - Muzzle Velocity: 3570 fps - Rounds Per Box: 20