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Rifles, Reloading, Optics, Equipment
Reloading
Headspace gauge/resizing die question
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<blockquote data-quote="Gene" data-source="post: 472796" data-attributes="member: 7402"><p>Pulling a neck over a unlubricated expander ball will lengthen the brass. Keep your brass trimmed back about .010" under SAMMI specs. And do not seat bullets out so far that they are jammed into the bore. </p><p></p><p>The instructions for F/L sizing are correct. After sizing, try to chamber a unloaded, empty case in your rifle. If the bolt goes down hard, it means the shoulder is too tight a fit in the chamber. Take that case out, re-lube the entire case and inside the neck, turn your sizer die down another quarter turn, size the case and try it again. When turning the bolt down, you should feel just very slight resistance. At that point, the headspace is perfect, and you can now full length size all your brass at that setting. If still too tight, turn it down another quarter until you have a snug fit. If the bolt just flops down, you have gone too far and increased headspace to a point of danger. Throw that case away, raise the die slightly and try again.</p></blockquote><p></p>
[QUOTE="Gene, post: 472796, member: 7402"] Pulling a neck over a unlubricated expander ball will lengthen the brass. Keep your brass trimmed back about .010" under SAMMI specs. And do not seat bullets out so far that they are jammed into the bore. The instructions for F/L sizing are correct. After sizing, try to chamber a unloaded, empty case in your rifle. If the bolt goes down hard, it means the shoulder is too tight a fit in the chamber. Take that case out, re-lube the entire case and inside the neck, turn your sizer die down another quarter turn, size the case and try it again. When turning the bolt down, you should feel just very slight resistance. At that point, the headspace is perfect, and you can now full length size all your brass at that setting. If still too tight, turn it down another quarter until you have a snug fit. If the bolt just flops down, you have gone too far and increased headspace to a point of danger. Throw that case away, raise the die slightly and try again. [/QUOTE]
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Reloading
Headspace gauge/resizing die question
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