Keith,
Thanks for your reply.
You have basically reaffirmed what I thought, that there was not much, if any, difference in the way the frames were manufactured from beginning to end.
I did not mean to convey the message I was considering reheat treating.
I enjoy painful experiences some times, but retreating good actions is not included!

After I posted, I also realized I use to have a 30-30 barrel I used with the oldest of my actions.
So if I'd paused and thought about it I'd have realized the early frames had some recoil producing barrels.
Actually the 25-35 barrel I currently have is mean from the recoil end as well.
It's just been a couple of years since I've had the time to work with them.
I'm considering buying some carbine barrels so was wondering if the older frames would hold up to the beatings they might be exposed to.
Your thoughts and my recollections have put my mind at ease.
Thanks again, and have a merry Christmas.
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