Power, performance, high velocity. High velocity for the serious small game and varmint hunter. Varmint and small game hunters demand the very best when it comes to ammunition. Winchester Varmint HV includes several unique technologies, in many of the most sought after calibers including 17WSM, 17HMR, and 22 Win. Mag. Manufactured with clean-burning powder, and non-corrosive priming for consistent, sure-fire ignition, these rounds deliver.