... 2LL Tactical LED Flashlight and Red laser sight Combo, Red laser sight, Laser sight, tactical flashlight, tactical LED flashlight, red laser aimer, laser sight and led light ... bullet path will coincide with the laser sight line, this point is the zero range.Laser adjustment and the muzzle velocity of ... , the bullet will also deviate to the side of the laser line, as well as up and down. In practice, a ...