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Rifles, Reloading, Optics, Equipment
Reloading
Bullet bearing surface
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<blockquote data-quote="SSgt G Cody" data-source="post: 2864744" data-attributes="member: 113303"><p><strong>Basically, very simply, both ends of the bullet have overall diameter reduced about 3%, and a ring of that exact diameter is forced gently onto each end of the bullet. The space between them is considered the bearing surface. It is usually 55-80% of the bullet's overall length. Longer bearing surfaces require faster twists to stabilize the bullet in flight. Use a twist chart to determine exact twist you need for your heaviest/longest bullet. It's really pretty simple.</strong></p></blockquote><p></p>
[QUOTE="SSgt G Cody, post: 2864744, member: 113303"] [B]Basically, very simply, both ends of the bullet have overall diameter reduced about 3%, and a ring of that exact diameter is forced gently onto each end of the bullet. The space between them is considered the bearing surface. It is usually 55-80% of the bullet's overall length. Longer bearing surfaces require faster twists to stabilize the bullet in flight. Use a twist chart to determine exact twist you need for your heaviest/longest bullet. It's really pretty simple.[/B] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Bullet bearing surface
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