[New 66 Upgraded Integrated-Molded Adapters] bore sight laser kit with 66 innovative manual knob adapters, it provides a precise caliber range and model-specific fit guide, perfect for any calibers from. Each adapter is marked with distinct serial numbers on both sides, make it convenient for you to select the right adapters. With our Innovative knob adapters and Integrated molded design, help you to install and remove adapters fast and accuracy. Simply use two fingers. [Multi-Tested and Impeccable Accuracy] Our laser bore sighter kit has been rigorously tested with almost every type, and under extreme cold, high-temperature, vibration conditions. Four separate precise calibrations guarantee top-tier part quality. This laser bore sight kit provides unparalleled accuracy and lightning-fast calibration, saving time and bullets. With its ergonomic design, our bore sight laser provides ultimate cofort. The boresighter will be your most reliable companion. [Professional Straight and Bright Lazer] 520nm green laser visible distance reaches 400 yards, can be calibrated outdoors at long ditances. Our laser boresighter can be used for all types. Class IIIA Laser ; Less than 5mW output ; Precise and Reliable bore laser. [Long-Lasting USB Rechargeable Kit] With high capacity batteries, this green bright laser boresighter kit provides stable and long-lasting power for a precise and consistent laser beam. Seconds to match via one-to-one model guide. Activate the switch for a strong vertical laser and accurate bore sighting kit. [Ultra Wear & Impact Resistant] By using aviation-grade aluminum alloy and black matte finish with hard anodized. The new bore sighter are extremly strong and durable, even in the face of strong impact forces. Suitable for repeated bore sighting and all extreme environments. [Brand-New Design & Functions] Our laser bore sight kit boasts a new sharp design and enhanced compatibility. Equipped with three switch modes: On, Flash and Off. This laser bore sighter greatly expands the calibration range for diverse models and accessories. [Our Guarantee] 66 x Upgraded Integrated-Molded Adapters(Fit All Guns) ; 1 x Arbor ; 1 x Upgraded Suit Case, 1 x Green Laser Bore Sighter ; 1 x USB to Type-C charging cable ; 1 x One-to-One Model Instructions ; 1 x Number Guide Card ; 6 x Extra White O-ringfor No. 0-WH ; 6 x Extra Red O-ringfor No. 0 ; 6 x Extra Black O-ringfor No.