Laser Boresighter Kit, Red Laser Brass Chamber Bore Sight Kit for Rifle Scopes and Handgun

【Caution】: Avoid the eyes to be exposed to the beam directly.
【Contents】: Two bore sighting kit: 223 bore sight (223REM 5.56MM), 9mm bore sight.
【Quality】: Brass material with qualified electronic components support longer and consistent lifetime. Fast gun zeroing and sighting.
【Efficiency】: Increase the accuracy and speed to zero firearm sights or scopes for serious hunters, shooters, Policemen. Save both time and money by avoiding prolonged live fire tests at the range.
【Module】: The module from professional supplier. Longer life time and more reliable in extreme situation. Working Temperature from: -20℃ to 50℃ (-4℉ to 122℉).