Patent ID: 6397509
Filing Date: 2002-06-04
Classification: F41G

Abstract:
Apparatus for use in bore sighting a firearm including in combination:a housing with first and second ends containing a light source for projecting a beam of light from the first end thereof; a down-tapered portion on the second end of the housing for engaging the muzzle of a barrel of a firearm; an extension on the down-tapered portion for fitting inside the barrel of a firearm, the extension having a first end coupled with the down-tapered portion and a second end designed to extend inside the barrel of a firearm; an O-ring on the second end of the extension sized to engage the interior of a barrel of a firearm to substantially center the extension in the barrel; and a magnet in the down-tapered portion for assisting in holding the housing in place on the end of a barrel of a firearm.