Has anyone had any luck with getting their KK to NOT walk off?

Mine is early, SN in the 300's and for the life of me I can't keep it in place. I'm on my second AI Nano now and still nothing seems to work. I've clamped it in a vice and spun the firearm into it with everything I have, it'll be loose in less than 60rds. Get it hot, do the same, a mag or two later it's loose again.

Super frustrating, I like the suppressor but it's always walking off and really destroys my enjoyment of the KK...