I am a relatively new shooter, started last December with a 686 4". I shoot mostly 357's , 158 grain a box of 50 when I go to the range and the gun seems very easy to manage. My plan is to have two revolvers with us when my wife and I take our recumbent trikes out to areas where some 4 legged predators may be. The 357 should be more than capable for the smaller ones like mountain lions or wolves. What I am hearing from several sources is that the 357 may not be up to the job for bears, hence the interest in a larger caliber. I am starting to lean more towards the 460 over the 44 because of the higher velocity coupled with the choices ammo. With a charging bear I may only have time to get one shot from the seat of the trike. I have about 5 years to become proficient before the excursions into wild. How far off is my thinking on this.