Sightmark Laser Bore Sight - 12 Gauge SM39007 Details

This is one of the simplest bore sighters you will ever use. Simply chamber the bore sight like a normal cartridge and a laser will shoot out of the barrel showing exactly where your rifle or shotgun is aiming. This will save time and ammunition as only a few shots will have to be fired for fine tuning. - 12 Gauge Bore Sight - Red laser has a wavelength of 632 to 650, uses less tha 5 milliwatts - Three AG4 or 2 AG5 batteries provided (depending on the caliber) approximately 1 hour of battery life - Sighting range 15 to 100 yards - Will display a 2" dot at 100 yards - Brass outer case - Operating temperature 14 degrees F to 122 degrees F Includes a carrying pouch. 1 Bore Sight