I use 50m for my 10/22 with a bunny buster 10" over barrel suppressed barrel.
My trajectory chart is shown below. Through testing, I found that the CCI standard velocity ammo that I am using was more accurate than HV ammo at 100m. Although the drop was greater, the grouping was smaller, therefore the hit rate was higher. I still prefer to stay under 70m with the .22LR. Over that I get the .22WMR, .17HM2 or .17HMR out for a walk.
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