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Rifles, Reloading, Optics, Equipment
Reloading
redding competition dies, "bushings".
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<blockquote data-quote="Winchester 69" data-source="post: 218848" data-attributes="member: 8037"><p>1. Get the average thickness of the brass in the neck (~0.015"?).</p><p>2. Double it. </p><p>3. Add the bullet diameter. </p><p>4. Subtract the neck tension (0.002" to 0.005"). </p><p></p><p>The final number is the bushing size. </p><p></p><p>The TiN bushings don't wear and make the sizing operation easier. Lube is still recommended, but is not absolutely necessary. </p><p></p><p>The bushing dies are a simple way to minimize the extent to which the necks are worked while providing a means to control neck tension. They also eliminate the negative effects of the expander ball, if you remove the expander ball from the bushing die (recommended). If your brass must be sized more than 0.005" in a single operation, which will contribute to neck run-out, you have the option to size in two steps. </p><p>.</p></blockquote><p></p>
[QUOTE="Winchester 69, post: 218848, member: 8037"] 1. Get the average thickness of the brass in the neck (~0.015"?). 2. Double it. 3. Add the bullet diameter. 4. Subtract the neck tension (0.002" to 0.005"). The final number is the bushing size. The TiN bushings don't wear and make the sizing operation easier. Lube is still recommended, but is not absolutely necessary. The bushing dies are a simple way to minimize the extent to which the necks are worked while providing a means to control neck tension. They also eliminate the negative effects of the expander ball, if you remove the expander ball from the bushing die (recommended). If your brass must be sized more than 0.005" in a single operation, which will contribute to neck run-out, you have the option to size in two steps. . [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
redding competition dies, "bushings".
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