Brass catcher ammo can is one of those inventions that makes life much easier and safer. Once you are in a shooting range, there is so much you can lose including money as well. You might forget to collect the cartridges that can be re-sold for some money. This is where the ammo can works. You can collect all the cartridges fired by you at a single place and that will make it easier for you to get them to the counter.