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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
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<blockquote data-quote="stazmania" data-source="post: 2790267" data-attributes="member: 125472"><p>Years ago I read something about this and came to the conclusion that my ultimate barrel/chambering would have a decent lead/freebore/jump to the the lands, "maybe .060" Then the lands would have a tapered lead in/beveling over say maybe .40 then if i wanted to have say an 1:8 twist barrel. It would start off at an 1:10 and gain twist to an 1:8. My theory was it would eliminate some of the pressure at these bottle necks allowing a gain in volocity. Of course, long barrel, large case capacity and over bore.</p></blockquote><p></p>
[QUOTE="stazmania, post: 2790267, member: 125472"] Years ago I read something about this and came to the conclusion that my ultimate barrel/chambering would have a decent lead/freebore/jump to the the lands, "maybe .060" Then the lands would have a tapered lead in/beveling over say maybe .40 then if i wanted to have say an 1:8 twist barrel. It would start off at an 1:10 and gain twist to an 1:8. My theory was it would eliminate some of the pressure at these bottle necks allowing a gain in volocity. Of course, long barrel, large case capacity and over bore. [/QUOTE]
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