Sightmark SM39016 Boresight Red Laser for 40 S&W Brass Includes Battery Pack & Carrying Case

Tested and recommended by the National Tactical officers Association, the Sightmark boresight offers a quick and easy way to sight in your .40 Smith & Wesson pistol. The bore sight can be used as a training aid for "quick draw" drills. Includes a carrying case, three AG3 batteries and instructions.