While there are fluke cases of the 9mm killing bears, as a general rule, you really don’t want to try it. At all. The 9mm is simply not enough gun to use on dangerous game. Because bears are large, powerful predator animals, you need a large, powerful round to protect yourself from them. In the rare cases a round like 9mm manages to kill a bear, it is a combination of luck and sheer chance that does it.nnShort of a very limited range of direct hits into crucial organs or the central nervous system, a 9mm is just going to make a bear angrier at you, and you’ll probably wish you hadn’t shot it. So really, if you are going into bear country, leave the 9mm at home, and go for something with a bit more punch.