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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
match chamber or not?
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<blockquote data-quote="Bart B" data-source="post: 659257" data-attributes="member: 5302"><p>I don't think one need a "tight" match chamber of any flavor. Standard SAAMI spec ones have been winning matches and setting records since they've been around. Sierra Bullets' been using SAAMI spec (or virtual versions thereof) since the 1950's testing their stuff for accuracy. I doubt anybody shoots 'em more accurate than they do. And they've been full length sizing their test cases since then, too.</p><p></p><p>Once one understands how a rimless bottleneck case fits the chamber when it fires, they will understand why "tight" match versions don't center those cases with custom turned necks any better than SAAMI spec ones with the same custom turned necks to align the bullet very well with the bore. The requirement that a tight chamber neck is needed for best bullet alignment with the bore's with rimless bottleneck cases is another myth.</p></blockquote><p></p>
[QUOTE="Bart B, post: 659257, member: 5302"] I don't think one need a "tight" match chamber of any flavor. Standard SAAMI spec ones have been winning matches and setting records since they've been around. Sierra Bullets' been using SAAMI spec (or virtual versions thereof) since the 1950's testing their stuff for accuracy. I doubt anybody shoots 'em more accurate than they do. And they've been full length sizing their test cases since then, too. Once one understands how a rimless bottleneck case fits the chamber when it fires, they will understand why "tight" match versions don't center those cases with custom turned necks any better than SAAMI spec ones with the same custom turned necks to align the bullet very well with the bore. The requirement that a tight chamber neck is needed for best bullet alignment with the bore's with rimless bottleneck cases is another myth. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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match chamber or not?
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