STONESKY Green Laser Bore Sight Boresighter Kit for .17 to 12GA Gun with 18 Adapters

                 Green Laser Bore Sight Boresighter Kit for .17 to 12GA Gun with 18 Adapters About this item 【Powerful Green Laser Beam】The red laser emits a highly visible beam, with a maximum effective range of 100 yards, even in daylight conditions. Laser class: IIIa, max output power: Less than 5mW. 【Upgraded 18 Adapters.Fit for .17-12GA Calibers】Our laser boresighter kit includes 18 adapters, suitable for calibers ranging from 0.17 to 12GA, compatible with pistols, rifles, and shotguns. It helps you quickly zero your gun's scopes, optics, and iron sights. 【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. 【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 replac