This is .308 Win. Hornady American Whitetail 150gr. InterLock Soft Point Ammo. This ammo is manufactured by Hornady and is considered to be the best factory loaded ammo available. The 150gr. InterLock soft point has a muzzle velocity of 2820 fps. This ammo is so good you will think you handloaded it yourself. If you want the very best, Hornady is the answer. Brass cased, boxer primed, non-magnetic and non-corrosive. This ammo comes packed in 20rd. boxes.