Cheapo,
First, what's IIRC mean, seen it before, but still can't figure it out.
Second, I'd be interested in hearing your reasoning on why the wind is more detrimental at the firing line than at the pits.
I have always believed that the downrange wind has more effect on the bullet because the bullet is moving much slower then, than in the first hundred yards.
Of course, if the wind is coming from different directions at those ranges, it's all "hope dope" anyway! BTDT!
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Your mind is your primary weapon.