【Variety of Caliber Adapters】 Geyet Laser Bore Sighter accommodates scopes ranging from .177 to 12GA calibers. (laser Class is IIIA l, maximum output power is less than 5MW)
【Easy Alignment】This laser Boresighter Kit allows for accurate zeroing of your scopes, optics, and iron sight, saving you both time and money. Please note: before use, it is necessary to manually calibrate the laser zero point, a crucial step to ensure accurate targeting. Remove the sticker on the sight's head, revealing 4 screw holes. After installing the sight in the barrel, adjust to zero using these 4 screw holes.
【Improved Design】: Amepointer laser bore sighter conveniently includes a press switch for control. It also features an automatic focus adjustment function.
【Enhanced Battery】: Upgraded 2 CR2 batteries provide an ultra-long and extended service life.