The wheelgun seems to be the most common recommendation for this purpose; many “experts” insist on 44 caliber or bigger. It’s hard to argue handgun power when it comes to very large bears, but you still have to get hits, and not everyone can with a revolver. We’re also at a point where at least one generation (working on two) has never seen, let alone used, a revolver. Most people carry semi-autos, and carrying what you’re familiar with might be your best course of action. Thankfully, Glock happens to offer what may be the perfect tool for the job. The Glock 20 chambered in 10mm is increasingly common in the proving ground of large predators—Alaska. glock20
Professional guides and backwoodsman are increasingly carrying the G20 and for good reason. Loaded properly, the 10mm can deliver incredible energy and deep penetration with its 15-round magazine capacity. Even as a full-sized pistol, it weighs less and carries more easily than most big-bore revolvers.