..... My concern would be modern commercially manufactured loads that exceeded SAAMI pressures.
That's my concern too. Getting commercial rounds that are way too hot.
I can all but guarantee you that is
NEVER going to happen. Not with the way today's commercial ammunition is being watered down across the board. As I mentioned in previous posts, "+P" rated ammo today has a lower pressure curve than standard loads in the same caliber did back in the 60's.
Yes, there is always the chance that a manufacturing mistake could happen, in regard to accidently producing over pressure loads. But even then, if it does there is usually an immediate recall issued, giving caliber, lot numbers, dates of production, etc.
And today with the Internet and social media being what they are, the word gets out quickly if a loading error is made. Usually before any damage is done. Years back they published such recalls in gun rags like the American Rifleman, Guns & Ammo, Shooting Times, etc. So the stuff could be out there for months before the public knew about it.
But as far as factory ammunition being produced today, there is nothing that is being loaded to the red line anymore. Even the stuff coming from outfits like Garrett and Cor-Bon is weak in comparison to what once was out there from the major manufacturers like Winchester, Federal, Weatherby, and Remington.
For example, I just saw a while back that Super Vel is back producing ammunition again. This after decades of absence. I still have some older Super Vel ammo that was produced by Lee Juras back in the early 70's. As soon as I can get some of this new stuff, I'm going to run a comparison evaluation between the 2. Caliber by caliber.
I can all but guarantee you the new stuff is going to shoot like target loads, when compared to what was produced back in the day. I'll report on it as soon as I get some of it. From what I've seen thus far, the stuff is overpriced as hell. So we'll see.