Laser Bore Sight for 223rem/22LR End Barrel Bore Laser Boresighter with Switch Function Easy to Use

Instead of putting it into the chamber this sight goes on the end of the barrel which is so much easier. The barrel end style avoids any possibility of accidentally hitting the back end of the sighter with the firing pin. But This tool is not available for the barrel with silencer.
The ON/OFF switch doesn't need to break it down to take the batteries out after each use, so reduce to drop batteries or short circuit. And 4 batteries per use, (3 batteries are commonly used in the market) to provide longer operating time.
Three o-rings to ensure grip and co-linearity with the barrel. And 3 thicknesses of O rings are included, to adjust the fit of the sighter in any particular barrel, which is a nice touch.
Advantage: Mini size, high quality gilded craft is very beautiful, and the portable packing boxes easy to carry anywhere. So It is perfect as a gift for a friend or elder. The small brass rod won't damage the barrel.
Laser standard: Class IIIa, Wavelength: 532nm. Power: less than 5mW, The maximum value allowed by law. provides outstanding long-distance zeroing support, offering superb visibility within 30-200 yards.

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