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Long Range Hunting & Shooting
Tumbled bullets = poor accuracy?
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<blockquote data-quote="Long Trang" data-source="post: 508947" data-attributes="member: 29049"><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">If a frontal cavity had tumbling media in it, it would definitely alter the bullet's internal and external ballistics.</span></span></p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">On a secondary note, there is a reason why you hardly hear of reloaders tumbling their bullets. When you tumbled off the moly of your bullets, you also reduced the diameter of your bullets. This, of course, would provide a 'loose fit' in your bore. In addition, when you tumble bullets, brass, etc…they become polished and shiny because you have removed a layer of the surface. This removal is not exact regarding circumference dimensions and will lead to the bullet entering the bore on a slight misalignment upon ignition. To make matters worse, now that the circumference is uneven, you have shifted the bullets center of gravity away from its central axis, adding an additional 'wobble' to the wobble of the misaligned bullet entering the bore.</span></span></p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">To answer your heading question: Tumbled bullets = poor accuracy? You betcha!</span></span></p></blockquote><p></p>
[QUOTE="Long Trang, post: 508947, member: 29049"] [FONT=Times New Roman][SIZE=3]If a frontal cavity had tumbling media in it, it would definitely alter the bullet’s internal and external ballistics.[/SIZE][/FONT] [SIZE=3][FONT=Times New Roman] [/FONT][/SIZE] [FONT=Times New Roman][SIZE=3]On a secondary note, there is a reason why you hardly hear of reloaders tumbling their bullets. When you tumbled off the moly of your bullets, you also reduced the diameter of your bullets. This, of course, would provide a ‘loose fit’ in your bore. In addition, when you tumble bullets, brass, etc…they become polished and shiny because you have removed a layer of the surface. This removal is not exact regarding circumference dimensions and will lead to the bullet entering the bore on a slight misalignment upon ignition. To make matters worse, now that the circumference is uneven, you have shifted the bullets center of gravity away from its central axis, adding an additional ‘wobble’ to the wobble of the misaligned bullet entering the bore.[/SIZE][/FONT] [SIZE=3][FONT=Times New Roman] [/FONT][/SIZE] [FONT=Times New Roman][SIZE=3]To answer your heading question: Tumbled bullets = poor accuracy? You betcha![/SIZE][/FONT] [/QUOTE]
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Tumbled bullets = poor accuracy?
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