QYSY Bore Sight Kit Green Boresighters for .22 to .50 Caliber Rifle Scope Handgun Green/Red Kit Bore Sight Green Laser Bore Sight BoreSighter for Hunting

The .22cal to .50 cal Green Boresighter is designed for sighting in your rifles and pistols without firing a shot. It will help you when hunting due to its accuracy.
It lets you check scope alignment anytime. It allows for quick and accurate resetting of any type (iron, optical, laser, holographic, etc.
NOTE: Due to different guns' specific, you might need to do fine adjustment. Green boresighter comes with 1pc CR2 battery. CAUTION: Avoid direct eye exposure to beam