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Hunting
Extreme Long Range Hunting & Shooting (ELR)
1410y Cow Elk Hammered
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<blockquote data-quote="RockyMtnMT" data-source="post: 1685123" data-attributes="member: 7999"><p>As [USER=32631]@WYO300RUM[/USER] pointed out correctly the mono bullets are longer for weight than conventional bullets. Copper is 20% lighter for volume than lead. The recommended min twist rates that we have on each bullet really is a min twist. We are learning as we go that the longer for caliber the more critical the twist rate gets. The Miller stability formula doesn't line up correctly with the very long bullets. It doesn't take into account material density and I am not sure that it takes into account the very long for caliber bullets that are around today that weren't back when that math was done. We are seeing that the needed twist for bullets as they get longer for caliber increases at a greater rate thanis shown in the calculators. </p><p></p><p>When I choose a bullet for hunting I try to get closer to 2.0 on the Miller calculation. Higher stability results in better terminal performance.</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 1685123, member: 7999"] As [USER=32631]@WYO300RUM[/USER] pointed out correctly the mono bullets are longer for weight than conventional bullets. Copper is 20% lighter for volume than lead. The recommended min twist rates that we have on each bullet really is a min twist. We are learning as we go that the longer for caliber the more critical the twist rate gets. The Miller stability formula doesn't line up correctly with the very long bullets. It doesn't take into account material density and I am not sure that it takes into account the very long for caliber bullets that are around today that weren't back when that math was done. We are seeing that the needed twist for bullets as they get longer for caliber increases at a greater rate thanis shown in the calculators. When I choose a bullet for hunting I try to get closer to 2.0 on the Miller calculation. Higher stability results in better terminal performance. [/QUOTE]
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1410y Cow Elk Hammered
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