Description
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[Upgraded to 32 Numbered Adapters]: Bore sight kit comes with 32 adapters, it provides a more precise range differentiation for calibers, perfectly suitable for any caliber within the range of 0.17-12GA. Clear instruction and easily identifiable serial numbers on each adapter makes it convenient for you to select the right equipment.
[High Precision]: Strictly check the laser centering detection of the instrument, providing excellent accuracy, saving cartridges and shells. Allows you to achieve consistent and accurate shooting, enhancing the shooting experience.
[40-hour Battery Life]: The bore sight kit comes with 2 high-capacity batteries, extending the usage time. You can rely on its stable performance without the need for frequent battery replacements. Equipped with a button switch, it makes usage more convenient to meet the zeroing requirements of multiple scopes or red dot sights.
[Arbor Accessories]: Our laser bore sighter is come with an arbor as an auxiliary tool. For .551-12GA caliber, installing the arbor can expand the diameter of the boresighter's rear end, allowing the entire bore sight to fit better at the muzzle of .551-12GA calibers, thereby improving stability.
[Reliable and Professional]: Adapt with superior materials and professional craftsmen, it is durable and has long service life of trouble-free use. The visible distance of the red laser is 15-100 yards. Class IIIA laser; less than 5mW.
ASIN#: B0CFY9HCRJ
These are trial and error. You can't rely on any one brand, you have to buy about 10 just to get a couple of good ones. Put em in your barrel and point at a target 20-30 yards away and spin it. If the green dot isn't perfectly centered you will see it, send those back. Quality control on any brand or laser is terrible in my experience. Only about 10-20% are on center.