Winchester Super-X Centerfire Rifle Ammunition is just as accurate as any other Winchester ammo, offering incredible reliability. It also is able to supply rapid and controlled expansion and the ability to travel at high velocities. The majority of boxes are sold with 20 rounds, although some contain 50 rounds. There are multiple choices to select from for this type of ammunition, including four hollow points, two hollow soft points, one jacketed soft point, one JHP, one lead, nine pointed soft points, three positive expanding points, dozens of Power Points, one Silvertip hollow point, and seven soft points.