I use 357 in pistol and 38 for rifle. Reason is I like a 147g bullet for rifle and it is too long to work in a 357 case. I have a lot of 357 and 38 cases. So use what you have and you will be happy.
I have a rifle that had a hitch in its gitalong, simple fix. Took the sping and follower out of the magtube (it was too short and dirty) replaced it with one the proper length and problem disappeared.