ince 1922, Super-X ammunition has provided exceptional quality and outstanding performance for all types of hunters and shooters who rely on its time-proven dependability backed by legendary excellence.Features:Consistent, Sure-Fire IgnitionFlat Shooting and AccurateFull Metal Jacket Assures Deep PenetrationReliable Feeding Through All Types of FirearmsSpecifications:Caliber: .22 Winchester Magnum RimfireNumber of Rounds: 50Bullet Type: Full Metal Jacket (FMJ)Bullet Weight: 40 grainCartridge Case Material: BrassMuzzle Velocity: 1910 ft/sApplication: Recreational Shooting, Varmint, Predator, Small GamePackage Type: BoxPrimer Style: CenterfireLead Free: NoMuzzle Energy: 324 ft-lbsGun Type: Rifle