MidTen Laser Bore Sights for .223 and 9mm, Red Laser Boresighters with 12 Batteries Bore Sighting Kit for Sights and Scopes

[Specific Design] The bore sight kit includes a 9mm laser bore sight and a 223 5.56mm laser bore sight. Made to fit the 9mm chamber and the .223 chamber.
[Extra Batteries] Comes with 12 pcs batteries, upgraded LR41. The 9mm bore sight uses 2 batteries and lasts 1 hour, and the 223 5.56mm laser bore sight needs 3 batteries for 1.5 hours.
[High Accuracy] Accurate from the factory. Easy to sit in the chamber and help with fast zeroing.
[Sturdy Brass Construction] MidTen laser bore sights are made of premium brass, sturdy and good resistance to temperature.
[Specification] 223 and 9mm bore sighting kit Class IIIA laser, less than 5mW.