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Rifles, Reloading, Optics, Equipment
Reloading
How do you straighten runout?
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<blockquote data-quote="Gene" data-source="post: 486722" data-attributes="member: 7402"><p>The neck sizer does just that - it does not set shoulder back. As Mike said, you need a full body die. Once a crooked neck is fired in your chamber, it should come out straight - assuming the chamber was cut straight. This problem usually arises with the sizing die and/or expander ball. The ball will pull neck out of concentricity. I prefer to lightly turn necks, then size with a bushing die. The die neck has to be straight. </p><p></p><p>Years ago I bought a Bersin tool to straighten necks. I soon sold it. It was simply bending the necks, then firing would straighten it out until I resized in a F/L die with expander ball. Check your concentricity on one case when it comes out of the chamber, again when it comes out of the die. This may give you the answer .</p></blockquote><p></p>
[QUOTE="Gene, post: 486722, member: 7402"] The neck sizer does just that - it does not set shoulder back. As Mike said, you need a full body die. Once a crooked neck is fired in your chamber, it should come out straight - assuming the chamber was cut straight. This problem usually arises with the sizing die and/or expander ball. The ball will pull neck out of concentricity. I prefer to lightly turn necks, then size with a bushing die. The die neck has to be straight. Years ago I bought a Bersin tool to straighten necks. I soon sold it. It was simply bending the necks, then firing would straighten it out until I resized in a F/L die with expander ball. Check your concentricity on one case when it comes out of the chamber, again when it comes out of the die. This may give you the answer . [/QUOTE]
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Reloading
How do you straighten runout?
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