STONESKY Get Perfect Shot Every Time with RIFLE/.22LR Laser Boresighter Barrel Red Laser Sighter

Get Perfect Shot Every Time with RIFLE/.22LR Laser Boresighter Barrel Red Laser Sighter 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 .22 LR chamber, caliber specific.It is directly into the barrel (without silencer), so it is easy to use 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. [Spare 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 special laser boresighter for the .22 LR chamber. laser boresighter is installed