Other Details Manufacturer: Weatherby Manufacturer Part Number: B416350TTSX Application: Hunting Boxes Per Case: 10 Bullet Type: Barnes Tipped TSX Lead Free Caliber/Gauge: 416 WBY Mag Case Material: Brass Grains: 350 gr Muzzle Energy: 6445 ft lbs Muzzle Velocity (fps): 2880 fps Units per Box: 20 Cost per Round: 10.44