The rws r 100 is the preferred cartridge with internationally successful sport shooters.High speeds in the supersonic range and superior accuracy make the rws r 100 the first choice for silhouette shooting with rifle and pistol.Suitable for 50 and 100 m.Please check with the applicable regulations of the ibu, when you want to use r 100 rws.22 rimfire cartridges in biathlon.Caliber: 22 LRBullet Type: Lead Round NoseBullet Weight: 40 grMuzzle Energy: 114 ft lbsMuzzle Velocity: 1132 fpsCasing Material: BrassRounds Per Box: 50Boxes Per Case: 100Hazair: Yes