Re: good in wind
Hi, At 660ft. elevation and those "smaller" calibers and the chamberings you mentioned, I think that you are going to have to be going near the extreme end of long barrels and high velocities with heavy bullets, and it still may not be possible with those chamberings. Without knowing which bullets you plan on shooting (it'll have to be very high BC wildcats, I think, pushed very fast), it's difficult to do the math on the ballistics programs. There's alot of guys on this board that know much more about this than I, but I would take a look at Fiftydriver's new chamberings (do a search or two for the Allen Mags) in those calibers as a good bet...but at that elevation it may be a challenge even with those. I don't know. Good luck. I think you may have an easier time doing what you want in the .308 caliber.
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