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