CVLIFE Bore Sight Kit for .177 to 12GA Caliber Rifles Pistols Sight Boresighter

About Bore Sight Kit 【Upgraded 16 adapters with numbers】Comes with 16 well-made and compact adapters, applied to .177-12GA calibers. The numbers on the adapters can be convenient for you to select the proper adapter. 【Powerful Green Laser Beam】Clear and bright green laser, long sighting distance provides up to 100 yards during day and night. This laser bore sight can work well in any weather conditions. 【25Hrs Battery System】Upgraded to 25Hrs battery system, the package comes with 1 extra battery, 2 batteries in total. Convenient for you to use the bore sighter and replace the battery at any time during long-term outdoor activities. 【Premium Accuracy】This green bore sighting laser is equipped with Class IIIA, less than 5mW, 632-650nm. It fits for different light conditions, providing a precise reference to zero your optics or iron sights, saving cartridges and shells. 【Improved Button Switch & New Arbor Accessory】Lightly pressed the button to turn ON/OFF the laser. For .54-12GA