Federal Premium V-Shok Rimfire Ammunition offers high-performing rounds designed to fire accurately. These rounds are ideal for use in small game hunts and on the varmint trail. They are very fast and provide terminal expansion upon impact. This ammo is available in a selection of calibers to ensure that you can find the right fit for your weapon of choice. The brand is a trusted among professional shooters and helped the U.S. team to bring back medals from the Olympic Games.