Weatherby Select Plus 300 Weatherby Mag ammunition delivers exceptional performance with 180 grain Swift Scirocco bullets achieving 3232 FPS muzzle velocity and 4175 ft-lbs of muzzle energy.Weatherby Select Plus 300 Weatherby Mag Ammunition180 grain Swift Scirocco polymer-tipped bullets3232 FPS muzzle velocity for flat trajectory4175 ft-lbs muzzle energy for maximum impactBrass casing for reliable extraction and reloading20 rounds per boxEngineered for precision hunting applications this premium ammunition combines Weatherby's legendary performance with Swift's advanced Scirocco bullet technology for superior accuracy and controlled expansion on big game.