CVLIFE Bore Sight Kit Bright Green or Red Dot BoreSighter

About Bore Sight Kit Bore Sight Kit Bright Green or Red Dot BoreSighter with Big Button Switch for .17 to 12GA Caliber [Clear and bright beam]: Clear and bright green laser, which is not easily affected by weather and has sighting longer rang, allows you to accurately aim at the target even in low visibility. [2 Upgraded battery + big button switch]: Our upgraded CR2 battery has ultra-long battery life and longer service life. Big and sensitive button switch, convenient to control, just lightly press to turn ON/OFF the laser. [Green laser bore sight]: CVLIFE green Laser sight Contains 16 adapters and 1 arbor, perfectly fit for any 0.17 to 12GA caliber. Arbor suitable for .54-.79(#10-#16) calibers make the laser bore sight stable. Make sure to select the proper adapter. [Easy to use]: Comes with tools, just following by guide of manual, choosing appropriate size adapter and place the laser unit in the equipment. Laser class: IIIa. Max. Output Power:＜5mW. [Light weight and enduring]: Ad