Off Rover Multifunctional Green Laser Adjustment-Free calibrator Zero Reset for .22 to .50 Caliber Pistols Rifles Bore Sighter for Outdoor Hunting

1. Put 3pcs batteries into the battery holder according to the image display. 2. Insert the battery holder into boresighter's battery compartnent. 3. When the 2 points are aligned, boresighter is ON. When they're not aligned, boresight is OFF. 4. Rotate the battery holder to make the points be aligned. Select the proper adapter for your barrel 1. Choose right size adapter for your barrel. 2. Use the screwdriver to tight the screw into the adapter. Just make the size is fine to fix in your barrel. Insert the boresighter into barrel 1. Push the small end of the boresighter with the adapter into the barrel of your firearm. Make sure the boresighter is inserted in until it is sung with the crown of your firearm. 2. When you turn the laser on, a small red laser dot will be emitted. And then you can adjust your scope?s windage and elevation so that your crosshair aims at the red dot. HOW TO ADJUST IT? Adjust the laser up and down After loosening the above(below) screw with a wrench, slowly tighten the below(above) screw until the laser point is at the desired position. Adjust the laser left and right After loosening the left(right) screw with a wrench, slowly tighten the right(left) screw until the laser point is at the desired position. SPECIFICATION Material: Aluminum Weight: 1.34oz Length: 6.1 Big end Diameter: 0.63 Small end Diameter: 0.2 Laser Wavelength: 630-680nm Max. Output Power: 5mW Laser class: II Ia Laser Color: Red Caution: Keep boresight laser pointing away from eyes

• .22cal to .50cal green BORE SIGTER is light-weight designed, and easy to use. It comes with 5pcs bore adapters to fit 0.22 to 0.50 caliber pistols, rifles, handguns, and scopes.
• It lets you check scope alignment anytime. It allows for quick and accurate resetting of any type (iron, optical, laser, holographic, etc.)
• Simply choose the caliber adapter and place the laser unit in the muzzle.allows for quick and accurate resets sight.
• This bore sight collimator installs in the barrel of the firearm and projects a red beam from the center of the bore axis, providing a precise reference for zeroing in on your target. Simply choose the caliber adapter and place the unit in the muzzle. Long sighting range; Light weight and durable. Allows for quick and accurate resetting of any sights
• CAUTION: Avoid direct eye exposure to beam