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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does fluting affect barrel accuracy?
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<blockquote data-quote="Bart B" data-source="post: 667246" data-attributes="member: 5302"><p>While fluting does indeed induce stress, if one wants a light weight accurate barrel for hunting instead of a heavier one, consider the following.</p><p></p><p>A 22 inch long 2.1 pound light weight 30 caliber barrel .600 inch at the muzzle's just as stiff as a 26 inch long 4.4 pound medium weight one with muzzle diameter at .700 inch. They both are equally stiff and have the same resonant frequency they vibrate at when screwed into a receiver. Both can have the same accuracy albeit the shorter one will shoot the same bullet out about 80 to 100 fps slower with the same peak pressure.</p><p></p><p>When aftermarket barrels became popular for service rifles, folks began having button rifled blanks contoured for both M1 and M14 rifles. None of them shot all that well. But when the blanks were contoured before gun drilling and rifling, they did very well indeed. I think Barnett, a smith in Virginia had Douglass make barrels for sale to the US Army rifle teams this way. And they were great.</p><p></p><p>Other folks tried turning down Hart button rifled barrels to reduce weight in bolt guns and they never shot as accurate afterwords.</p></blockquote><p></p>
[QUOTE="Bart B, post: 667246, member: 5302"] While fluting does indeed induce stress, if one wants a light weight accurate barrel for hunting instead of a heavier one, consider the following. A 22 inch long 2.1 pound light weight 30 caliber barrel .600 inch at the muzzle's just as stiff as a 26 inch long 4.4 pound medium weight one with muzzle diameter at .700 inch. They both are equally stiff and have the same resonant frequency they vibrate at when screwed into a receiver. Both can have the same accuracy albeit the shorter one will shoot the same bullet out about 80 to 100 fps slower with the same peak pressure. When aftermarket barrels became popular for service rifles, folks began having button rifled blanks contoured for both M1 and M14 rifles. None of them shot all that well. But when the blanks were contoured before gun drilling and rifling, they did very well indeed. I think Barnett, a smith in Virginia had Douglass make barrels for sale to the US Army rifle teams this way. And they were great. Other folks tried turning down Hart button rifled barrels to reduce weight in bolt guns and they never shot as accurate afterwords. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does fluting affect barrel accuracy?
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