Laser Bore Sight Kit for .17 .22 to 12GA Caliber Rifle, Laser Boresighter Kit with 12 Multiple Caliber Adapters, Laser Bore Sighter for Competition Shooting Hunting (Green with Charger)

Quickly Check Zero: Laser class IIIA, <4.5mW laser output. Simply chooses the caliber adapter and place the Boresight unit in the muzzle. The sight will emit a straight red laser beam with a long sighting range and provides a precise reference to zero-in your optic or iron sights, reducing cartridges and shells wasted
More Accurate: This red boresight installs in the barrel of the firearm, projects a laser beam from the center of the bore axis, and provides a precise reference to zero-in your optic or iron sights, reducing cartridges and shells wasted
Red Laser Sight Contains 12 adapters , perfectly fit for 0.17 to 12GA caliber. It perfectly fits for 0.17 30-30 0.223 0.22 300Win 0.357 0.45 0.4 0.327 20GA 12GA 380ACP 20GA FC 12GA FC Caliber green/ red bore sight kit.
Ultra-Long Life Rechargeable Battery: Our laser bore sight kit features an upgraded CR2 battery which can be used continuously for up to 16 hours. You can use our included charger to charge your battery, no need to buy a new battery
Convenient Button Switch: Just lightly press to turn ON/OFF the laser bore sighter for all guns and control the boresight laser conveniently while pressing the switch and save power when you stop using it