MidTen Bore Sighting Laser 223 5.56mm/ 9mm/12 Gauge Laser Bore Sighter with Extra Batteries

[High Accuracy] MidTen 223 5.56mm laser bore sights are accurated from the factory. Sit perfectly in the chamber to help you get on paper quickly, save time and money.
[Plenty of Batteries] Comes with 9pcs LR41 batteries. Bore sighting laser 223/5.56 needs 3 batteries to work and the laser will last up to 2 hours, more than enough to do the basic sight-in work.
[Sturdy Construction] 223 laser bore sights are made of premium sturdy brass. Packaged with an exquisite iron box, convenient to store and carry out to the range.
[Sighting Range] Red laser boresighters can reach the sighting range of 15-100 yards in dim conditions, which is easy to know where your aiming.
[Specification] 223 bore sight with Class IIIA laser, less than 5mW.