Not too long ago, I watched an online video in which the 9mm and 10mm Auto semi-automatic pistol rounds went head-to-head in a ballistic gel test to compare their effectiveness as bear defense loads.

Get the hottest outdoor news and cutting-edge gear reviews.

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › If there’s one thing backcountry hunters should agree on when it comes to picking ...