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Rifles, Reloading, Optics, Equipment
Reloading
How to tighten up my group.
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<blockquote data-quote="Bart B" data-source="post: 126990" data-attributes="member: 5302"><p>[ QUOTE ]</p><p>Different brass might have slightly less or more case capacity affecting your barrel harmonics.</p><p></p><p>[/ QUOTE ]I disagree with this.</p><p></p><p>A barrel fitted to a receiver that's screwed into a stock will have one frequency it vibrates at. That doesn't change. Its harmonics will remain the same regardless of what the details of the cartridge are that's fired in it. A barrel's resonant frequency doesn't change with the ammo; it's fixed due to the mechanical properties of the barrel, receiver stock and sights.</p><p></p><p>It doesn't matter where in the barrel's whip pattern a bullet leaves. As long as its the same place for each shot, accuracy will be good.</p></blockquote><p></p>
[QUOTE="Bart B, post: 126990, member: 5302"] [ QUOTE ] Different brass might have slightly less or more case capacity affecting your barrel harmonics. [/ QUOTE ]I disagree with this. A barrel fitted to a receiver that's screwed into a stock will have one frequency it vibrates at. That doesn't change. Its harmonics will remain the same regardless of what the details of the cartridge are that's fired in it. A barrel's resonant frequency doesn't change with the ammo; it's fixed due to the mechanical properties of the barrel, receiver stock and sights. It doesn't matter where in the barrel's whip pattern a bullet leaves. As long as its the same place for each shot, accuracy will be good. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How to tighten up my group.
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