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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Subsonic Bullets
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<blockquote data-quote="DocUSMCRetired" data-source="post: 2999728" data-attributes="member: 85458"><p>Twist rate needs is determined by bullet length. Of course a longer bullet is also heavier (SDS being another discussion). Copper bullets must be longer to be heavier since you don't have the lead, tungsten, aluminum, steel inserts and copper isn't a very dense/heavy metal to begin with. So you are forced to run faster twist rates. </p><p></p><p>I would just run a lead based bullet for hunting (unless you have some law that won't allow it).</p></blockquote><p></p>
[QUOTE="DocUSMCRetired, post: 2999728, member: 85458"] Twist rate needs is determined by bullet length. Of course a longer bullet is also heavier (SDS being another discussion). Copper bullets must be longer to be heavier since you don't have the lead, tungsten, aluminum, steel inserts and copper isn't a very dense/heavy metal to begin with. So you are forced to run faster twist rates. I would just run a lead based bullet for hunting (unless you have some law that won't allow it). [/QUOTE]
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