20-50 Red Dot Laser Bore Sighter

I have several different brands of bore sighter's and this one is the great one so far.This is so accurate and easy to use.This tool is suitable for all guns from .22 to.55 caliber.It is very easy to interchange settings between calibers.It is made very well.I also like that it comes with all the tools you need.I received this product at a discount in exchange for my honest review.#sighter Convenient and accurate than scope and sight alignment. Easy to use. Used for accurate bore alignment of scopes, iron sights or laser sights on handguns and rifles. 4 adapters for any .22 - .50 handguns, rifles, sights and riflescopes. Comes with tools, four adapters, and batteries. http://www.amazon.com/dp/B01D8GM84I