STONESKY .17 Red Laser Bore Sight End Barrel Laser Boresighter For .17 Chamber+ 6 Battery

.17 Red Laser Bore Sight End Barrel Laser Boresighter For .17 Chamber+ 6 Battery About this item [Laser standard] Class IIIA red laser, less than 4.9mW and wavelength is 650nm. Its basic parameter conformed to the correlation application standard. [Model] This laser boresighter more suitable for the Cal .17 special caliber. It is directly into the barrel (without silencer), so easy and very accurately. [Advantage] All made of brass, so it is sturdy and durable. Also it is beautiful and it won't damage the barrel. The portable packing boxes that you can carry with you. [As a gift]Real brass material after CNC precision machining and gilded treatment. Perfect for the gold cartridge and exquisite packaging. It is perfect as a gift for a friend or elder. [ Parts] Equipped with 2 set of batteries and multiple spare O-rings. You don't worry about the working time not enough. This is a customized laser bore sighter for the .17 special caliber. It is inserted into the barrel (without silencer)