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    Range Report Spindrift Calculation??

    Re: Spindrift Calculation?? Greg, that's not true about spin drift. There are TWO horizontal deviations not counting wind. SPIN DRIFT: Is an a horizontal error due to a difference in air pressure to the right side (as you look at the projo from the rear while in flight, in a right twist...
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    Advanced Marksmanship Field Firing Solutions Ballistic Software

    Re: Field Firing Solutions Ballistic Software Opinion on the FFS vs. CheyTac's ABC?