1. Remove plastic wrap from batteries.

2. Insert batteries into the battery slot.

3. Tilt the battery slot at an angle, insert one end at an angle, and then push up to fully insert the battery slot. Rotate the battery compartment to make it secure. Note: Your laser should now be on now. 

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.