.22LR/.177 Cal/.17HMR/ 9mm /.375 Cal / .41 Cal / 40sw/10mm Red Laser Boresighter Bore Sight End Barrel Easy to Fit Revolvers Pistols Rifle and Air Guns with Batteries

The Tipfun Boresighter is a must-have for any serious shooter or outdoor enthusiast.

With its high-quality machined brass construction and powerful Class IIIA laser, this boresighter provides accurate and reliable sighting capabilities.

The included extra set of batteries ensures that you'll never be left without power, and the multiple spare O-rings provide peace of mind in case of any damage.

Don't trust your aim with anything less - choose the Tipfun Boresighter for all your shooting needs.