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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hammer bullets stabilization
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<blockquote data-quote="RockyMtnMT" data-source="post: 1873795" data-attributes="member: 7999"><p>I personally prefer to run my hunting rifles closer to 2.0sg calculated at sea level for hunting. This insures straighter line penetration.</p><p></p><p>The more "normal" length for caliber the less this seems to matter. The longer for caliber the bullets get the more critical the twist rate gets. The 30 cal 181g HH is on the edge for 10" twist. It is between the 181g HH and the 6.5mm 124g HH as to which one is the most popular. I think there has been a couple times that I know of that the 181g had an issue in a 10" twist at sea level and cold temps. Like [USER=30671]@HARPERC[/USER] said, there is very much a good chance of twist variation from the advertised twist. Particularly with button rifled barrels. </p><p></p><p>So anyway, you guys with 10" twist barrels that want to run the 181g HH, go for it. If it doesn't work out well, let me know and we will get you a diff bullet that will. I don't think this will be a problem though.</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 1873795, member: 7999"] I personally prefer to run my hunting rifles closer to 2.0sg calculated at sea level for hunting. This insures straighter line penetration. The more "normal" length for caliber the less this seems to matter. The longer for caliber the bullets get the more critical the twist rate gets. The 30 cal 181g HH is on the edge for 10" twist. It is between the 181g HH and the 6.5mm 124g HH as to which one is the most popular. I think there has been a couple times that I know of that the 181g had an issue in a 10" twist at sea level and cold temps. Like [USER=30671]@HARPERC[/USER] said, there is very much a good chance of twist variation from the advertised twist. Particularly with button rifled barrels. So anyway, you guys with 10" twist barrels that want to run the 181g HH, go for it. If it doesn't work out well, let me know and we will get you a diff bullet that will. I don't think this will be a problem though. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hammer bullets stabilization
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