Red Dot Bore Sight 9mm Laser Boresighter with 3 Sets of Batteries

【Safe】Class IIIA laser, less than 5mW 650nm red laser. safe and harmless. Caution: Keep the Red laser beam away from eyes.
【Sturdy and Durable】Sturdy and durable brass construction, it is not easy to deform under high and low temperature environments, which can ensure the accuracy of the bore sighter.
【3 Sets of Batteries】 Comes with 3 sets upgraded batteries. Each set lasts up to an hour. Please remove the batteries after use.
【High Accuracy】The fastest red dot laser zeroing and sighting system and save you time and cartridges. Calibration range 0-110yards.
【Application】The 9mm bore sight is made to fit the 9mm chamber, caliber specific.