· 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
· Wavelength: 650nM
· Weight (net): 81g (2.8 ounces)
· Length: 68mm (2.7 inch)
· High quality brass in durable finish
· Already set center aligning in factory
· Package Including: Instruction, laser bore sight, 3 pcs AG13 Battery
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