Red Laser Boresighter with Button Bore Sight Kit Multiple Caliber for .177 to 12GA Caliber Red Dot BoreSighter with 3 Sets of Batteries

【Professional 14 Pieces Adapters】Theoot bore sight kit comes with 14 adapters, suitable for calibers range from 0.17 to 12GA. It provides a more precise range differentiation for calibers, perfectly suitable for any caliber within the range of 0.17-12GA.
[Additional Arbor]Our laser bore sighter comes with an additional arbor to improves the stability of the boresighter. Specifically designed for .54-.74(#12-#14)calibers, the arbor expands the rear end diameter of the boresighter, ensuring a better fit at the muzzle and overall improved stability.
[High Precision]Strictly check the laser centering detection of the instrument, providing excellent accuracy, saving cartridges and shells. Allows you to achieve consistent and accurate shooting, enhancing the shooting experience.Laser class: IIIa. Max. Output Power:＜5mW.
[Reliable and Professional]Adapt with superior materials and professional craftsmen, it is sturdy and has long service life.The portable design enhances convenience for storage.Long sighting range,light weight and durable.
[Push Button Switch and 3 Sets of Batteries]Upgrade push button switch,just lightly press to turn ON/OFF the laser, control it conveniently.Comes with 3 sets improved LR44 batteries（9 batteries) and each set lasts up to 4 hours, allows you to quickly replace batteries when working outdoors.