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Rifles, Reloading, Optics, Equipment
Reloading
Do you consider Sectional Density when choosing a bullet?
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<blockquote data-quote="MagnumManiac" data-source="post: 2259746" data-attributes="member: 10755"><p>This is the other thing bandied about so often, BC is not constant.</p><p>BC is only valid in a velocity window at a certain air density, change elevation and BC changes.</p><p>SD tells us that a .338" 250g bullet has a higher SD than a .375" 300g bullet.</p><p>According to SD theory, the longer .338" bullet should out penetrate the .375" bullet…..but does it if we use a solid brass/guilting metal bullet against a cup and core bullet? This is why I take no heed in SD numbers.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 2259746, member: 10755"] This is the other thing bandied about so often, BC is not constant. BC is only valid in a velocity window at a certain air density, change elevation and BC changes. SD tells us that a .338” 250g bullet has a higher SD than a .375” 300g bullet. According to SD theory, the longer .338” bullet should out penetrate the .375” bullet…..but does it if we use a solid brass/guilting metal bullet against a cup and core bullet? This is why I take no heed in SD numbers. Cheers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Do you consider Sectional Density when choosing a bullet?
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