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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
180 Berger Hybrid wind drift
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<blockquote data-quote="Canhunter35" data-source="post: 1799190" data-attributes="member: 101677"><p>So I made a load with 197smk at 2920fps and using .4g7</p><p>Was shooting it back to back with the 180hybrid.</p><p>Using jbm ballistic calculator with same inputs and confirmed hits at 1315yds, and a 8mph 125degree wind, jbm gave wind holds of 1.49 mil for the 197 and 1.69mil for the 180.</p><p>The 1.5 mil really was spot on.</p><p>I was using 2mils of wind hold for the 180s</p><p>It's not scientific but confirms my suspicion at least to myself lol.</p><p></p><p>If anyone is interested in using the 197 in a rem mag I pressured out with h1000, but retumbo gave excellent accuracy at .5gr below pressure signs</p></blockquote><p></p>
[QUOTE="Canhunter35, post: 1799190, member: 101677"] So I made a load with 197smk at 2920fps and using .4g7 Was shooting it back to back with the 180hybrid. Using jbm ballistic calculator with same inputs and confirmed hits at 1315yds, and a 8mph 125degree wind, jbm gave wind holds of 1.49 mil for the 197 and 1.69mil for the 180. The 1.5 mil really was spot on. I was using 2mils of wind hold for the 180s It’s not scientific but confirms my suspicion at least to myself lol. If anyone is interested in using the 197 in a rem mag I pressured out with h1000, but retumbo gave excellent accuracy at .5gr below pressure signs [/QUOTE]
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180 Berger Hybrid wind drift
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