Suppressors and pressure

Joined
Sep 6, 2018
I recently (2 days ago) got a diligent defense LTI, my first can. I went shooting today and noticed that both my 7 SAUM and my 6.5 creed were showing pressure signs. Ammo was not left in the sun, rifles were in my air conditioned truck, and neither of these loads have shown pressure in the past.

Can/will suppressors show pressure signs earlier than a brake or no can?
 
You don’t make changes to your load and just go for it? Not that I should be but I’m always concerned about brass life even though I know it’s an expendable.
No, I just keep shooting it. I just see some minor swiping marks on the head stamp area, I don’t give it a whole lot of thought since that load shoots so well.

FWIW, I only see that on my tikka 30-06. It is manor marks but they are there.
 
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