Your ammo that’s not concentric, ie bent, not assembled straight , will be the source of the random fliers
This problem surfaced in 2005 when the 504T was released , yes 20 years ago
They are still making 17hmr ammo today that gives you a giggle when rolled on a concentricity gauge, it’s the reason most went on to use a 223
The neck tension required to hold the projectile is ridiculously high and crimps the projectile, damaging it, and is also the reason they can’t anneal the necks, which results in split necks and causes velocity variations
The rifles are accurate, the ammo not so much
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