2ndunamended
member
What is the minimum barrel length for maximizing the capability of the .357? I'm looking at a 3-inch S&W 686-6 (having formerly had the 4-inch variant).
Keep this in mind. The ballistics numbers you see published are from 8" barrels. Even at 6" there is a noticeable velocity loss and a 4" barrel is about 1/2 the length the round was designed to be used in. Below 4" and a 9mm shoots equal weight bullets faster. No one would be surprised to learn a 300 magnum from a 12" barrel is a lot slower than the published numbers, but don't seem to understand 357 mag is the same.
Even with a 4" barrel you'll only be about 50 fps faster than 9mm. I wouldn't want a magnum revolver with less than a 4" barrel.
You probably won't like a short barrel .357 muzzle blast inside a closed room either!!!
I am very happy with a Ruger Security Six with a 2.75" barrel. I would guess it could be loaded hotter for more velocity than a 3" S&W K frame.
Well actually I've loaded(as in reloaded) rounds that the Ruger would shoot fine, but the cases would stick badly in a S&W 686. So put on your thikin cap....?
I would also consider Ruger if buying new.I'm looking at a 3-inch S&W 686-6