1. Unscrew the battery housing.

2. Insert the battery into the battery slot.

3. Tighten the battery housing. Note: Your laser should now be working. Press the button to ensure its working properly.  

4. Select the correct adapter for your firearm and screw into the end of the boresighter.

5. Once screwed, insert the boresighter into the bore of your firearm. Note: The bore sighter should fit snug, not loose.

6. To zero in, align the optic to the laser.

7. Remove the boresighter and make final adjustments if needed. 

PLEASE NOTE: Zero at 25 yards. As the distance increases, adjust accordingly.