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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Badlands Precision Bullets thread - From BC to terminal ballistics
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<blockquote data-quote="Petey308" data-source="post: 2963444" data-attributes="member: 106845"><p>For monos, it has been established and backed by Applied Ballistics that a stability factor (SG) of 2.0 is best. An SG of 1.5 is good for lead core bullets, yes, but they're more dense and shorter as a result, grain for grain. Due to the mono being longer, it needs more RPMs to keep the center of pressure far enough towards the nose of the bullet and away from the center of gravity.</p><p></p><p>Anything below 2.0 with a mono is marginal or worse. Anything getting significantly above that, on the other hand, isn't gaining you any significant stability overall, but will increase the effects of centrifugal force as the bullet impacts and begins to expand.</p></blockquote><p></p>
[QUOTE="Petey308, post: 2963444, member: 106845"] For monos, it has been established and backed by Applied Ballistics that a stability factor (SG) of 2.0 is best. An SG of 1.5 is good for lead core bullets, yes, but they're more dense and shorter as a result, grain for grain. Due to the mono being longer, it needs more RPMs to keep the center of pressure far enough towards the nose of the bullet and away from the center of gravity. Anything below 2.0 with a mono is marginal or worse. Anything getting significantly above that, on the other hand, isn't gaining you any significant stability overall, but will increase the effects of centrifugal force as the bullet impacts and begins to expand. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Badlands Precision Bullets thread - From BC to terminal ballistics
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