Wheeler Professional Laser Bore Sighter RedUses a high power red laser and a high strength magnetic connection to the barrel to deliver fast accurate bore sighting. Works with virtually all firearms; rifles, shotguns, handguns. Magnetic connection to the end of the muzzle provides more precise alignment with the bore without the risk of damaging the bore, Machined aluminum body with soft rubber over molding houses the laser module. Hand tuned during the manufacturing process with an innovative