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Hunting
Long Range Hunting & Shooting
California - Copper
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<blockquote data-quote="Tiny Tim" data-source="post: 1928154" data-attributes="member: 87887"><p>If you go on Berger's website, they have a free bullet stability calculator that you can plug in cartridge, bullet, and environmental data and it will calculate how stable your projectile is. Lead bullet are suggested to have a 1.5 stability factor. I'm not certain which, but I seem to remember one mono manufacturer suggesting a stability factor nearer to 2. I think because of coppers lower mass, it may benefit from a higher stability not for precision, but to keep it on track as it penetrates. Perhaps it can lose its rotational stability quicker the same as it seems to lose its velocity quicker.</p></blockquote><p></p>
[QUOTE="Tiny Tim, post: 1928154, member: 87887"] If you go on Berger's website, they have a free bullet stability calculator that you can plug in cartridge, bullet, and environmental data and it will calculate how stable your projectile is. Lead bullet are suggested to have a 1.5 stability factor. I'm not certain which, but I seem to remember one mono manufacturer suggesting a stability factor nearer to 2. I think because of coppers lower mass, it may benefit from a higher stability not for precision, but to keep it on track as it penetrates. Perhaps it can lose its rotational stability quicker the same as it seems to lose its velocity quicker. [/QUOTE]
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