Just bought my first pistol in over 50 years. Its a Glock 20 Gen4 10mm. I bought the Glock as bear repellent since I had three very close bear 'encounters' while trout fishing here on The Bitterroot River last year. 10mm was my first and only choice since I've done a lot of research on the efficacy of the available calibers that are touted as anti-ursine. None seemed to have the knock-down of 10mm, especially when you have 15+1 available and then being a semi-auto made the closing argument for me. The only purpose of me buying the Glock is for my own protection when I'm out and only concentrating on the trout instead of looking around and seeing if there's any bear poop, bushes moving, growling, something large staring at me as a quick source of protein, etc. Just for kicks and giggles I took a Bear Defense Class - actually it was by the person from whom I purchased my Glock. Buying a new G20 from him got me the BDC instructions. Did you know that if you are a right handed shooter, that you should sidestep to your left as you turn to 'attempt' to sidestep a bear's charge? That way you can present your weapon and keep firing with your right hand as the bear attempts a sharp turn. I don't ever think I'll let a bear get that close to me.... I view a 'warning shot' as the waste of a good bullet. Mostly I'll keep my pistol 100% Glock.....even though I wandered off the reservation just a tad....with a larger slide release. I CCW in a CQC Blackhawk cross-draw hip holster and load Underwood 140 gr XP --- but in bear country, I O/C so I don't have any clothing in the way. In Montana, anyone can CCW outside of city limits and outside of mining camps (go figger that one!). Anyone can Open Carry anywhere, but for the times that I fish inside a city limits, I'm covered with my CCW permit. My last unarmed bear spotting was on the opposite side of The Bitterroot River - INSIDE the city limits of Hamilton - and I don't know, nor do I care if it was a brown, white, black or polka-dotted bear ---> it doesn't matter. That last one made me nervous enough to buy my Glock. The river was only 30 feet wide at that point - and shallow. If the bear actually saw or smelled me - it could have had a warm (98.6 degree) snack in three bear-steps.