The Firefield FF39000 stands as the quickest gun zeroing and sighting system available. Its core design aims to enable shooters to economize both time for zeroing in, and save ammunition costs. The Firefield Red Laser Universal Boresight grants almost effortless target acquisition. It comes equipped with a magnetic base that simplifies its attachment to any firearm barrel. Once it\'s set into place, the red laser activates, and the user can start pinpointing targets accurately. A perfectly suitable tool for hunters, competitive shooters, and law enforcement personnel alike. The Red Laser Universal Boresight eliminates the need for live-fire at the range, thus minimizing cartridges and shells that otherwise would go to waste. Along with the device, a handy carrying case is provided for convenient transportation.