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.
Power | <5mW Class IIIA |
Wavelength | 650nM |
Weight (net) | 81 g / 2.8 oz |
Length | 68 mm / 2.7 in |
Material | Brass |
Battery Type | 3 pcs AG13 Battery |