NKP,
Welcome to ShootersForum! As a wise old friend often said, "Rules are simple, be nice and join in."
The situation you describe is unusual, in my experience. If you had one rifle with an exceptionally large chamber, I could buy that, but the odds of having two rifles like that are extremely low. My guess is you're doing something wrong in how you're resizing the cases.
Let's just stick with the 325WSM, for now. You state that you don't have any problem sizing them before they've been fired, so we know the dies aren't too small. The first thing you should do is measure the case right about where you notice they are sticking in the die, after they've been fired. Measure the same case before and after you shoot it. If you will reply here with the numbers you get, before and after, we'll be able to help you figure out if the case really is expanding too much. To be honest, that is highly unlikely.
Next concern I have is that you say you lubed the cases "inside and out". Unless you're spraying them with a lubricant from a can, that shouldn't be happening. If you're using a standard case lube pad, the only two things you should do is run a nylon bristle-brush in and out of the neck of the case, and then lube the
case body only! By far, the most common cause of difficult resizing of cases, is excessive case lube, especially if it builds up in the die. Did you, by any chance, notice this problem got worse after the first 4 or 5 cases you resized? When it comes to case lube, less is often more. Another question is, do any of your resized cases have little "dimples", especially around the shoulder of the case?
Also, be aware that resizing the case should not be "easy", especially the last inch or so, as the ram goes up, and the last inch or so, as the case comes back out of the die, and the inside neck dimension is formed. You are expanding and contracting metal, so some effort is going to be involved.
Finally, how have you determined that your 325 die is ruined? That's not an easy thing to do, in a short period of time, unless your cases were exceptionally dirty when you resized them. Is there a case stuck in it, now?
The more of these questions you can reply to, the better we'll be able to help you figure out what is going wrong, and correct it. Hope to hear back from you, soon.
Jason