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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Sporter barrel as accurate as heavier barrel?
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<blockquote data-quote="nksmfamjp" data-source="post: 2078898" data-attributes="member: 1951"><p>Logically, I can see heavier and shorter barrels are more accurate as the amplitude of their vibrations will be smaller for the same load and gun. On top of that, the load will be tuned to a consistent release point in the vibration. ....but if load tune is slightly off as it surely always is, then the smaller amplitude causes the actual POI to be closer to the nominal POI.</p><p></p><p>Now with the longer thinner barrel with the same basic load, it will have greater amplitude. This means the nominal poi could be the same. If the load is tuned better for this barrel, or both are tuned to nominal, then poi is the same. With tuning error, the thicker/shorter barrel will always be more accurate.</p><p>This is really just an untested hypothesis. Wish I had the money/carear to test!</p></blockquote><p></p>
[QUOTE="nksmfamjp, post: 2078898, member: 1951"] Logically, I can see heavier and shorter barrels are more accurate as the amplitude of their vibrations will be smaller for the same load and gun. On top of that, the load will be tuned to a consistent release point in the vibration. ....but if load tune is slightly off as it surely always is, then the smaller amplitude causes the actual POI to be closer to the nominal POI. Now with the longer thinner barrel with the same basic load, it will have greater amplitude. This means the nominal poi could be the same. If the load is tuned better for this barrel, or both are tuned to nominal, then poi is the same. With tuning error, the thicker/shorter barrel will always be more accurate. This is really just an untested hypothesis. Wish I had the money/carear to test! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Sporter barrel as accurate as heavier barrel?
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