The feral dogs are a particular problem. In many respects they are like an enraged mob. If you cannot be elsewhere fast, you have to overwelm them with weight of fire. There is a rule in small unit actions - which is what you are effectively dealing with here - that goes: He who gets there first, with the most, wins. That's one of the few situations in which I would prefer a semi-automatic rifle. For anything else the Rossi is just fine.
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I don't do dumb & helpless.