Originally Posted by
GJM
There are many PF threads focused on field pistols, and defense against four leg threats. See 1076, USP field pistol, parts of Alaska Journal, Lehigh xtreme Penetrator bullets, etc.
The short answer is carry a DA revolver with hard cast, or a service pistol with Underwood Lehigh xtreme loadings in 9/40/45/45 Super/10mm, consider bear spray, and if able carry a shotgun full of Brennneke slugs or an equivalent power load in a rifle able to put multiple shots downrange quickly. Two shooters are better than one. Dogs can help alert you or bring you the trouble.
My strategy, when possible, is one warning shot in the dirt in front of the bear followed by one shot COM, then everything else to the brain.