Home Forums Hunting & Shooting Gunsmithing Tikka barrel question

My first mistake was purchasing a borescope. Cleaned the barrel of my t3x 7mm-08 several times and these images kept coming up. They aren't lint from a patch and they don't look like copper fouling but are these marks from the manufacturing process of the barrel???? (or do I need to keep cleaning?) The marks are prominent mid way through the barrel's length.





This is what the barrel looks like closer to the chamber and muzzle looks 'clean' like this too.



Thank you for any advise and suggestions.