https://www.youtube.com/watch?v=aklZia62eq8
I am not impressed with this style at all.
Your supposed to use vibratite "glue" to hold the barrell nut in place.
That's what I was looking at. The barrel may be wobbling slightly.
It would be a lot of work, but put a standard nut on there and shoot it without a rail. If it still persists, then it's barrel. If not, it's the rail.
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