EZshoot Boresighter Bore Sight Kit for .177 to 12GA Caliber

About Red Boresighter with Adapters 【16 Adapters Fit for .17-12GA Calibers】Upgraded 16 bore adapters in set, the laser bore sight can be applied to all .17- 12GA calibers.The adapters are engraved with clearly visible serial numbers to help you quickly match the corresponding model. 【Specially Designed Arbor to Improve Stability】Equipped with arbor for .54-12GA calibers allows the boresighter to fit barrels perfectly, providing higher stability and accuracy. 【High Accuracy】The laser bore sight kit multiple caliber emits a straight red laser beam, providing a precise reference for zeroing in on your optics. Brightness Enhancement: Max Output Power: less than 5mW，Class IIIA Laser. 【Push Button Switch and 2 Sets of Batteries】With a sensitive push button switch, you can control the laser on and off very well. Comes with 2 sets improved LR44 batteries（6 batteries) and each set lasts up to 2.5 hours, allows you to quickly replace batteries when working outdoors. 【Easy to Use】EZshoot laser bore sighter has been calibrated before leaving the factory, no further adjustments required. Just simply choosing appropriate size adapter to install on the boresighter and place the laser bore sight in the barrel. Laser Bore Sight Description EZshoot red laser bore sight is your best choice! Press Button Switch Control the laser conveniently, while pressing the switch and save power when you stop using. 2.5 Hours Battery Life Upgraded LR44 batteries, each set lasts up to 2.5 hours. Upgraded 16 Adapters Get you on paper quickly The laser bore sighter has been calibrated before leaving the factory, no further adjustments required. High accuracy to get you on paper quickly. Upgraded LR44 batteries, each set lasts up to 2.5 hours. And we have prepared an extra set of batteries for you. How to install the red bore sight kit ? Assemble the battery into the bore sight. Select the appropriate adapter and tighten the screw to expand the adapter to fit your gun barrel tightly. Insert the boresighter with adapter into your equipment. Make the adapter edge form a contact point with the barrel and the bore sighter is stable. When you press the switch button, a bunch of red beam will be emitted. Battery Installation Insert 3 LR44 batteries into the battery slot. Tilt the battery slot at an angle, insert one end at an angle, and then push up to fully insert the battery slot. Rotate the battery compartment to make it doesn't come loose. Laser Boresighter Kit Package Includes:  1 x Laser bore-sighter1 x Screwdriver1 x Allen Wrench1 x Spare Screws6 x AG13 Battery16 x Bore adapters Product information-Technical Details Item Package Dimensions L x W x H 7.44 x 3.19 x 0.67 inches Package Weight ‎0.29 Kilograms Item Weight ‎1.33 Ounces Brand Name ‎EZshoot Color ‎Red Material ‎Aluminum Manufacturer ‎EZshoot Style ‎BoreSighter Sport Type ‎Hunting Mounting Type ‎Picatinny Mount Night vision No