Vector Optics VipeRay 20 GA Cartridge Red Laser Bore Sight
For 20 GA Caliber, Cartridge Style, Convenient and Accurate, Brass Material
By project a laser beam from the center of the barrel axis of firearm, this laser bore sight collimator allows you to instantly & accurately set your sight or scope etc.
The laser light emitted from the laser bore tool travels in a straight line while the bullet follows a trajectory. Even though the use of this device will get you very close, final adjustment should be made at the range.
