Universal Bore Sight for .17 to .78 Caliber, Green Laser Boresighter Kit with 3 Kit Adapters (Bundle)

🔧Easy to Use: This green light boresighter is degin to helps improve the accuracy of most guns. Provides accurate reference to zero points in optical or iron sights, reducing cartrid and shell waste, saving you time and money.
▶Useful pushbutton switch: Push-button switch design. just lightly press to turn ON/OFF ,So it’s convenient than other gun boresighter without switch, easier to control.
🏋Longer Battery Life: Includes 2pcs 800mAh CR2 batteries (commonly 700mAh) for longer battery life.
✹Complete Caliber Adapters: Comes with 12 adapters for.17 to.78 caliber pistols, rifles, and shotguns. So you just need to choose the appropriate size adapter for your gun and insert the bore sight into the muzzle.