They may have a hunting rifle in a safe to protect their homes.
It is somewhere in a parallel universe or in the beautiful Russia of the future that a normal person can impunely defend himself from the “bulls.” And in the real Russia of the present, the only legitimate possibility to defeat the freezing with a weapon (any one) is to die first. At the same time, they do not restrict themselves in any way in the ways and instruments of your murder. So in order not to get trouble with the law, the bullies attacking you need, if possible, quietly shoot (if at home) and get rid of the bodies. Otherwise a tournament.