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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Best Lead Free Bullet
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<blockquote data-quote="RockyMtnMT" data-source="post: 1162948" data-attributes="member: 7999"><p>Would guess your vel to be about 3200fps. .235 g7 would be about .5 g1. The 130 to 140 class bullet would have to be almost a round nose to still stabilize in a 10 twist. We will have our price list complete in the next week. At this point we are mostly concentrating on good bc bullets that will stabilize in factory twist barrels. We always calculate twist at sea level. That way folks will not have bc degrading because of lack of stability. You can have a marginally stable bullet that shoots very accurately, but the bc degrades and you would be better off shooting the higher vel lower bc bullet, that is lighter, that does not degrade bc due to low stability. I should ad that copper has a lower density than lead. So an all copper bullet of the exact same size as a lead core bullet will be lighter. So there are not many ways to make a bullet heavier other than making it longer. Longer does not always mean better bc either. A longer bearing surface will add drag. A longer more aggressive nose can ad bc but it will become more finicky to load for, and possibly not shoot well for some rifles.</p><p></p><p>Steve</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 1162948, member: 7999"] Would guess your vel to be about 3200fps. .235 g7 would be about .5 g1. The 130 to 140 class bullet would have to be almost a round nose to still stabilize in a 10 twist. We will have our price list complete in the next week. At this point we are mostly concentrating on good bc bullets that will stabilize in factory twist barrels. We always calculate twist at sea level. That way folks will not have bc degrading because of lack of stability. You can have a marginally stable bullet that shoots very accurately, but the bc degrades and you would be better off shooting the higher vel lower bc bullet, that is lighter, that does not degrade bc due to low stability. I should ad that copper has a lower density than lead. So an all copper bullet of the exact same size as a lead core bullet will be lighter. So there are not many ways to make a bullet heavier other than making it longer. Longer does not always mean better bc either. A longer bearing surface will add drag. A longer more aggressive nose can ad bc but it will become more finicky to load for, and possibly not shoot well for some rifles. Steve [/QUOTE]
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Best Lead Free Bullet
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