HOW TO ZERO YOUR SCOPE:
1. Unload the bullets of your firearm.
2. Choose the proper boresighter and install the 3 batteries to turn on the laser beam, make sure the batteries direction is correct.
3. Install the boresight tool into the firearm chamber.
4. Project the red beam on a target and adjust crosshair of the scope to align with the red dot. DO NOT FIRE YOUR FIREARM.
5. Unload the Boresighter.
6. Take your firearm to the range and test fire. Making final fine adjustment if needed.

Warning:
Keep boresight laser beam away from eyes.
Before boresighting your scope, make sure that the firearm is unloaded and the muzzle pointed in a safe direction.
After the sight or scope adjustment is finished, make sure to remove the boresighter from the firearm chamber.

Specifications:
Material: Brass.
Weight: 3 oz
Light wavelength: 635-655nm.
Max. Output Power: ≤4.9mW.
Light class: IIIa.
Light Color: Red.
Batteries type: AG3/LR41 button cell batteries or equivalent, non rechargeable.

Packing List:
2 x Boresighters
1 x 10 pieces battery pack
1 x Instructions