@Frank Green chicken scratch looks good and explains a lot about what I have seen on plate at distance. Updated your download with a screen shot. View attachment 8626307
This also applies to CF guns also. Not just RF guns.
Faster twist rates can amplify this as well. Like going from a 12 twist to a 8 twist in the same caliber. For those of you that have ballistic calculators that's why the twist is suppose to be figured in to account for spin drift.