Bore Sight Kit 30Adpaters from .177 .22 to 12GA with Stable Centering Device Boresighter

Additial Stable Device which makes sighting more accurate

This bore sighter kit consists of emitter as well as serious of expandable 30pcs adapters which cover all caliber diameters from .17 .22LR to .78 inches 12GA.

Battery and Adapter Installation

* Make sure the battery direction is correct.
​* Reference the adapter size chart in user manual to select the proper adapter.
​* As you tighten the screw, the diameter of the adapter will expand. Once it expanded to match your barrel, push the adapter into your firearm barrel.

Package Included:

* 1 x Laser Boresighter
​* 1 Set Plastic Adapters(30 pcs)
​* 1 Set Rubber Adapters(8 pcs)
​* 1 Screw Driver
​* 1 x User Manual
​* 2 x 15270 Rechargeable Battery
​* 1 x USB Charger(Optional)