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Hunting
Long Range Hunting & Shooting
Re-barreling .308 to something big?
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<blockquote data-quote="Dean2" data-source="post: 2887056" data-attributes="member: 26077"><p>It is not actually an anomaly. The reason it works so well is large bore, fairly heavy bullet and relatively fast powder. Good initial pressure but the large bore means you don't get the same high pressure to produce velocity you do trying to drive a heavy bullet down a smaller bore. Remember your high school math, area of a circle is pie x r squared so the area expands a lot with a .075 increase in bore diameter.</p><p></p><p>Applies to ordering pizza too. <img class="smilie smilie--emoji" loading="lazy" alt="😄" title="Grinning face with smiling eyes :smile:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f604.png" data-shortname=":smile:" /></p></blockquote><p></p>
[QUOTE="Dean2, post: 2887056, member: 26077"] It is not actually an anomaly. The reason it works so well is large bore, fairly heavy bullet and relatively fast powder. Good initial pressure but the large bore means you don't get the same high pressure to produce velocity you do trying to drive a heavy bullet down a smaller bore. Remember your high school math, area of a circle is pie x r squared so the area expands a lot with a .075 increase in bore diameter. Applies to ordering pizza too. 😄 [/QUOTE]
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Re-barreling .308 to something big?
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