Since 1922 Winchester Super X ammunition has provided exceptional quality and outstanding performance for all types of hunters and shooters who rely on it’s time-proven dependability backed by legendary excellence.Super-X XTP jacketed hollow point rounds are ideal for varmint control.FeaturesProven AccuracySure FunctioningExceptional QualityOutstanding PerformanceTime-Proven DependabilitySpecificationsCaliber: 17HMRType: Super-X XTP Jacketed Hollow PointBullet Weight: 20 GrainsMuzzle Velocity: 1830 fpsVelocity at 100 Yards: 1776 fps