theotherdubya
FNG
Don't have any experience with this, and hope not to... that being said the Hunt Backcountry Podcast has an episode with Chris Forrest (an ex-SEAL) from Tactic MT who teaches a two day class called "Surviving the Griz" - they go into handgun (very high on the 10mm) vs pepper spray, but stress even more where you carry it on your body - interesting listen.
Grizzly Bear Survival and Defense Tactics
Grizzly Bear Survival and Defense Tactics