>>2004611I've definitely read stories about bears getting killed even with 9mm. Shot placement does seem to be key there, though, maybe if you magdump into their shoulders while they're charging it doesn't do much.
Found this little gem from the National Park Service's website while looking around for articles:
>The NPS strives to protect wildlife populations. If a firearm is effectively used during an encounter, it can be lethal for the bear, while bear spray allows the bear to likely remain in the population.Therefore they recommend bear spray.