That’s a very tidy group at 600yd. What was your POA? Assuming it was centre of gong then your vertical dispersion looks pretty small - maybe 1-2 in high at most ? I guess it depends on how big the steel plate is? If it’s 1.5 in high at 600 then that’s a 1/4 moa correction. Pretty minor. You certainly could increase muzzle velocity in app to see what speed equals 0.25 moa less than your dial up.
There’s appears to be more horizontal dispersion - right to left wind ? This might also mean a slightly high poi.
I use a small centre dot or square on the gong to ensure a precise pos.
I’d be tempted to repeat the excercise on another day with different conditions to see if you need to dope & how much
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