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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
OVERSPIN ??? twist and bullet spin
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<blockquote data-quote="MontanaRifleman" data-source="post: 907347" data-attributes="member: 11717"><p>"Over spin" or "over stabilization" is a relative term. It all depends on your application. In the world of dangerous game and brush hunting, the more spin the better. </p><p></p><p>There is no such thing as over spin or stabilization at short to mid ranges. The only possible draw backs are if you are using thin jacketed bullets and pushing then at high velocities where they migh deform or come apart as mentioned. </p><p></p><p>In long range shooting, the draw back to more stabilization than needed is the bullet will not nose over after it passes the apex of its trajectory.</p><p></p><p>another draw back to more tweist than you need is reduced velocity. Not a big deal, but you will loose a little velocity with a tighter twist.</p><p></p><p>That said, I would not buy a 30 cal barrel with an 8" twist unless I was shooting long monometal type bullets requiring that much twist. There are no 30 cal lead core bullets that I know of which require tighter than a 10" twis</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 907347, member: 11717"] "Over spin" or "over stabilization" is a relative term. It all depends on your application. In the world of dangerous game and brush hunting, the more spin the better. There is no such thing as over spin or stabilization at short to mid ranges. The only possible draw backs are if you are using thin jacketed bullets and pushing then at high velocities where they migh deform or come apart as mentioned. In long range shooting, the draw back to more stabilization than needed is the bullet will not nose over after it passes the apex of its trajectory. another draw back to more tweist than you need is reduced velocity. Not a big deal, but you will loose a little velocity with a tighter twist. That said, I would not buy a 30 cal barrel with an 8" twist unless I was shooting long monometal type bullets requiring that much twist. There are no 30 cal lead core bullets that I know of which require tighter than a 10" twis [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
OVERSPIN ??? twist and bullet spin
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