Nihowban Cal.127mm Special Red Laser Boresighter Laser Bore Sight with 10 Batteries Fit Revolvers Pistols Rifle and Air Guns

Nihowban Cal.127mm Special Red Laser Boresighter Laser Bore Sight with 10 Batteries Fit Revolvers Pistols Rifle and Air Guns

• Class IIIA laser, less than 5mW.
• The cal 27 laser bore sight is suitable for cal 27 chamber, caliber specific.
• Sturdy brass construction.Using high quality laser module with qualified electronic components to support longer and consistent lifetime.
• Sighting range of the bore sight is 15 to 100 yards.Adjust and zero-in your optic or iron sights without ever firing a round!
• 2 sets (6 total) upgraded batteries and 1 set of O-rings(3 total). And come with the portable packing boxes that you can carry with you.