How to Use ?
1. Install the battery in the boresighter. Confirm the laser can be turned on correctly.
2. Select the proper adapter for your firearm.
3. Twist it into the thread hole of the laser bore's small rob.
4. Tighten and loosen the screw to adjust the adapter size to fit your gun barrel.
5. Tunr on Laser and Insert the small rod with adapter into the gun barrel. Make sure it fit snugly in the barrel.
6. Adjust crosshair to align with the laser dot.
7. Remove the boresighter and adapter from the firearm.
8. Don't forget to test in the range and do the final fine adjustment.

Specifications:
Material: Aluminum.
Laser Color: Red or Green.
Laser Wavelength: Red (630-680nm); Green (520nm).
Max. Output Power: ≤ 4.5mW.
Laser Class: IIIa.
Batteries type: CR2 3V 800mAh.

Packing include:
1x laser Boresighter
12x Adapters
1x Screwdriver
2 x Batteries set
1x Instruction manual