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Hunting
Long Range Hunting & Shooting
Why is the 25-06 slower then the 30-06 with the same Bullet weight?
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<blockquote data-quote="royinidaho" data-source="post: 539430" data-attributes="member: 2011"><p>Your understanding won't lead anyone astray.</p><p></p><p>Start with the '06 then the 280, 270, 6.5 and 25-06 and pick the same weight bullet in each caliber loaded to the same velocity. As you go down in caliber it will take less powder to achieve the same velocity, correct?</p><p></p><p>As the bore gets smaller barrel volume decreases (expansion ratio) and bearing surface increases (bullet friction) plus the affects of the smaller surface of the bullet base.</p><p></p><p>There's probably a very long equation that explains the stuff, but I'm with the common sense approach. It is what it is, and I can live with it <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="royinidaho, post: 539430, member: 2011"] Your understanding won't lead anyone astray. Start with the '06 then the 280, 270, 6.5 and 25-06 and pick the same weight bullet in each caliber loaded to the same velocity. As you go down in caliber it will take less powder to achieve the same velocity, correct? As the bore gets smaller barrel volume decreases (expansion ratio) and bearing surface increases (bullet friction) plus the affects of the smaller surface of the bullet base. There's probably a very long equation that explains the stuff, but I'm with the common sense approach. It is what it is, and I can live with it :) [/QUOTE]
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Long Range Hunting & Shooting
Why is the 25-06 slower then the 30-06 with the same Bullet weight?
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