Opening day of deer season comes only once a year. Make sure you're ready when the big one steps out and load up with Hornady American Whitetail ammunition. Loaded with our legendary Hornady InterLock bullets in weights that have been deer hunting favorites for decades, American Whitetail ammunition combines generations of ballistics know how with modern components and the technology you need to take the buck of a lifetime. Features and Specifications: Manufacturer Number: 8204 Caliber: .300 Winchester Magnum Bullet Type: Interlock Soft Point Bullet Weight: 150 Grains Rounds: 20 Rounds per Box Muzzle Velocity: 3275 fps Bullet Diameter: .308 Muzzle Energy: 3572 ft/lbs Jacket Material: Copper Core Material: Lead Tip Material: Lead Sectional Density: .226 Ballistic Coefficient: .338 Casing: Brass Usage: Medium to Large Thin Skinned Game