Sightmark SM39007 Boresight Red Laser for 12 Gauge Includes Battery Pack & Carrying Case 632-650nM Wavelength

Perfect for hunters, competitive shooters and law enforcement, the Sightmark 12 gauge boresight delivers exceptional accuracy for your 12 gauge shotgun. At 100 yards, the device will project a 2-inch image on paper, saving you money on ammunition. Includes a carrying case, three AG13 batteries and instructions.