Update: Handgun or Pistol Against Bear Attack: 93 cases, 97% Effective
Three failures out of 93 cases where guns were used to defend against bears translate to a 97% success rate for the use of guns against bears.
www.ammoland.com
Interesting article. Haven't had a good which gun for bear while archery hunting thread for, I think, 6 days. Time for a new one. Only this time it has data. Read it and make your own conclusion. At any rate, it is a good read and the author put some time into it.
Jeremy