Sightmark 12Ga Boresight Perfect for Game, Clay shooters and law enforcement, the Sightmark® 12Ga Boresight delivers exceptional accuracy for your 12Ga shotgun. At 100 yards, the device will project a 2-inch image on a target
instantly shows your mis mount or poor gun fit problems
practice your gunmount indoors or outside and visibly see the results.
comes with a case and batteries supplied