Laser bore sights by Yukon advanced optics provides the most convenient and accurate method of sighting in rifles of all types. Simply chamber the bore sight like a regular bullet in a laser dot will show exactly where the rifle is aiming; it's you need to sight in any scope without firing a single shot. Live fire is only needed to fine tune the weapon being sighted in order to compensate for inconsistencies, such as bullet drop due to distance. Preferred for hunters, competitive shooters in law enforcement, the laser bore sight is sure to take the frustration out of shooting in almost any gun. It is easy to use and will quickly save both time and money by avoiding prolonged live fire tests at the range; use the extra ammo for honing those shooting skills and for the hunt. A light weight carrying pouch protects the laser for convenient use in the field. The laser bore sight is available in several calibers and gauges for use with the most popular rifles and shotguns.