U must watch ur wind but the bullet is in the air for a shorter period to be affected by the wind^^ I have a Winchester (of course) 220 swift but never tried it on Antelope.
How well does your's work on speed goats?
[/QUOTEit electrocutes them. Just hard to find factory loaded .220 ammo with bonded bullet. The oryx soft point or nosler partition is amazingly lethal with a humanely SWIFT kill