.177 to .50 Caliber precision Laser Calibrator laser zero locator target setter Green

Description : This laser boresighter is designed to quickly get your refile handguns or shotgun “on the paper” and will save your time and money. Final sighting-in should be done by shooting the firearm and fine tuning the adjustments. Please read the manual carefully before you use this laser bore sighter. Here is the simple step for using this laser bore sighter: 1. Select the proper adapter and find the largest diameter adapter that will fix in the muzzle of your firearm. 2. Screw the adapter into the small end of the laser emitter using the small screw in the center if the adapter. 3. When you turn the laser on a small red/green laser dot will be emitted. And then you can adjust your scope’s wind age and elevation so that your cross hair aim at the red/green dot. Specifications: -Power: