Thread: Need help making drop chart match up

300wsm Tikka t3
Feel like I have all the data but I can’t make the app match my real world findings
Hopefully some guru can sort it out in a minute and point me in the direction I’m going wrong
1.74” sight above bore
3195 fps MV (measured over a lot of shots with Garmin Xero)
1/11 twist Rate
Sighted at 100y
600y is bang on at 8.5 Moa
Sierra Gamechangers 165gr
.53 bc >2680 G1
.44bc <2680
.32<1300
Photo is off last group shot at 600y