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Rifles, Reloading, Optics, Equipment
Suppressors
barrel crown type
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<blockquote data-quote="Pro2A" data-source="post: 2382059" data-attributes="member: 17889"><p>My understanding is the bullet never touches the crown only the end of the barrel inside. The crown controls the initial departure of the bullet leaving the pressurized barrel and beginning the free flight. Even concentric contour of the crown aids in controlling the final pressure of gasses upon the bullet base to ensure perfect sendoff. Sort of like the finger tips being the final control of a basketball shot. Damaged, imperfect crown results in imperfect final pressure on bullet base and can result in pressure imbalance turbulence on bullet base.....fingers not aligned toward rim, off center on the basketball.</p></blockquote><p></p>
[QUOTE="Pro2A, post: 2382059, member: 17889"] My understanding is the bullet never touches the crown only the end of the barrel inside. The crown controls the initial departure of the bullet leaving the pressurized barrel and beginning the free flight. Even concentric contour of the crown aids in controlling the final pressure of gasses upon the bullet base to ensure perfect sendoff. Sort of like the finger tips being the final control of a basketball shot. Damaged, imperfect crown results in imperfect final pressure on bullet base and can result in pressure imbalance turbulence on bullet base.....fingers not aligned toward rim, off center on the basketball. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Suppressors
barrel crown type
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