Bore sighter laser optics calibration :

 [Multiple Caliber Adapters] Our Laser Boresighter Kit comes with 12 adapters to fit 0.17 to 12GA caliber for pistols, rifles, shotguns and scopes.

 [High-quality Material] The laser Boresighter adopts the latest laser electronic components and excellent metal;

 [Clear & Bright Beam] Bright and transparent red laser, which is not easily affected by weather and increases accuracy and speed to adjust the riflescope for serious hunters, shooters, firefighters, allows you to accurately aim at the target even in low visibility.

 [Easy to Zeroing] This laser bore sighter kit can help you quickly zero your gun scopes, optics and iron sights, saving your time and money without ammo.