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Hunting
Long Range Hunting & Shooting
Weatherby Free Bore?
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<blockquote data-quote="wildcat westerner" data-source="post: 344439" data-attributes="member: 21361"><p>Sounds like everybody has a part of the puzzle here. Ultimately chamber pressure should equate to velocity, assuming cases of the same capacity. If that bullet starts moving against less resistance ( as in a freebore situation) chamber pressure has to be lessened. Even if we are talking milliseconds here, the only reason why a rifle doesn't blow up every single time you fire it is that the bullet exists the barrel and the gas expansion is no longer contained. Obviously the bullets' resistance as it passes down the barrel is a factor in pressure. Freebore allows the bullet in a barrel to pass through that barrel quicker. Therefore, less time in the barrel due to less resistance ( of the freebore)and thus lower pressure.</p><p></p><p>Gene so</p></blockquote><p></p>
[QUOTE="wildcat westerner, post: 344439, member: 21361"] Sounds like everybody has a part of the puzzle here. Ultimately chamber pressure should equate to velocity, assuming cases of the same capacity. If that bullet starts moving against less resistance ( as in a freebore situation) chamber pressure has to be lessened. Even if we are talking milliseconds here, the only reason why a rifle doesn't blow up every single time you fire it is that the bullet exists the barrel and the gas expansion is no longer contained. Obviously the bullets' resistance as it passes down the barrel is a factor in pressure. Freebore allows the bullet in a barrel to pass through that barrel quicker. Therefore, less time in the barrel due to less resistance ( of the freebore)and thus lower pressure. Gene so [/QUOTE]
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