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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Extreme accuracy: Bore to capacity relationship?
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<blockquote data-quote="Greyfox" data-source="post: 1252027" data-attributes="member: 10291"><p>It seems to me that many the most accurate Benchrest rounds like the 22PPC, 6mmBR, 6.5x47, 6.5x284 etc. are overbore. This would fly in the face of the notions about bore to capacity effecting accuracy, and/or difficulty in developing accurate loads. The theory I have heard for the short fat case relationship in overbore cartridges is that the burn is more uniform with less case wall effects. It appears to be proven out with the BR crowd. Just some thoughts.</p></blockquote><p></p>
[QUOTE="Greyfox, post: 1252027, member: 10291"] It seems to me that many the most accurate Benchrest rounds like the 22PPC, 6mmBR, 6.5x47, 6.5x284 etc. are overbore. This would fly in the face of the notions about bore to capacity effecting accuracy, and/or difficulty in developing accurate loads. The theory I have heard for the short fat case relationship in overbore cartridges is that the burn is more uniform with less case wall effects. It appears to be proven out with the BR crowd. Just some thoughts. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Extreme accuracy: Bore to capacity relationship?
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