I agree that the messed up round is problematic. But as far as velocity consistencies are concerned, 60 FPS isn’t terrible.
How many rounds were in the group on that test target?
I’m getting consistent 10-shot groups with my Tikka 6.5 CM that measure under 1 MOA out to 300 yards using the 140-grain Hornady match ammo. This is the report from the last box I shot. Only a little better than what you report.
Maybe my expectations for factory ammo are too low? But if you are shooting 10-shot groups under an inch at 100 yards, that’s really good factory ammo.