What thread are these barrels?

[Hellion360]

Two different barrel threads pictured.
What do they go to?

I am assuming the first is shocker sport threads, but not sure as I don't have one to compare.
Second is quite steep threads.

[Ecapnation]

First is shocker sft/sport the second witn The raised area is icd

[Hellion360]

Thank you, I knew I had seen this before somewhere but couldn't place it.

[Jackson]

https://www.docsmachine.com/tech/barrelguide.html