These non-corrosive high velocity 22 long rifle tracers produce an immediate and bright red, green or white trace that can be seen for over 150 yards in darkness or daylight.It also makes great practice ammo as it allows you to track the exact path of the bullet, helping you to understand its dynamics.Caliber: 22 LRBullet Type: Lead Round Nose (LRN)Bullet Weight: 40 grMuzzle Energy: 102 ft lbsMuzzle Velocity: 1070 fpsCasing Material: BrassRounds Per Box: 50Boxes Per Case: 10Hazair: Yes