can it reload all 357 cases or those only from your own gunthanks
im a little confused here. a lee reloading press set up for .357 mag can reload all brass .357 cases, unless the case is steel or aluminum or is berdan primed. you dont need to run ammo through a gun to be able to use it in the same gun again. you can buy ammo from the store, reload the brass and shoot it through your gun again, reload it again and shoot it through your buddies gun without any issues if you reload it to the right specs, some companies only make reloaded (re manufactured) ammo and all the cases are from different brands. reloading is WAAAYY cheaper than buying ammo loaded.
.357 and .38 special cases. SOURCE of case is immaterial.
You can load cases fired in other guns, not just your own. I used a Lee Loader years ago for .38 Special with no issues.
You will only be able to reload brass fired from your gun. In order to fire other brass you need to fully resize the brass. And you do not have a way to do this with the loader that you are working with. Everyone else that is giving info don't relize the reloader that you are talking about. Other brass not totally resized will not fit all the way in you cylinder, they will get stuck because they will be too tight of a fit. Also sum that you find may work but it won't be a consistant thing.