.223 Trajectory?

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My chart show the 55 grain at 3200fps will drift 8 inches with a 15mph cross wind value. That would blow you 4 inches off your 8x11 paper if the 11 is vertical.

Sometimes on a windy day I shoot at the windward side of the target, if that puts it on the paper I have immediate visual of how far the wind drifted it.
 
Sorry, you shot 10 wide target, not 8, but aiming at center 8" drift blows you 5" of paper + 3" off paper, or about an inch off if you use the 6 1/4 drift some one called.
 
I favor using a bigger target. Aim for the upper, up wind quarter and correct from there.
If you can't get on a 4' target then there's something wrong with the rifle, scope, or ammo.

That works for me out to 600yds.
 
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