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Rifles, Reloading, Optics, Equipment
Reloading
What am I doing wrong with sizing brass?
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<blockquote data-quote="Bob Wright" data-source="post: 1984536" data-attributes="member: 104363"><p>2 schools of thought generally. I use a Redding S FL bushing die to set the neck tension and FL size the case body, .002 bump. Nothing else. Mine are neck turned/reamed just for this die and specific bushing diameter.</p><p>Others get great results using a mandrel die to set the neck tension internally after FL sizing the body and sizing the neck down just enough for the mandrel to finish for .002-.003 neck tension generally. 2 operations here, FL then mandrel.</p><p>Most "one size fits all" SAAMI spec dies that FL and use an expander ball/button, over-work the brass, especially if the brass is thicker on the neck. This leads to early cartridge demise and velocity issues.</p><p> I neck turn all my brass for consistency and work the brass less. I have tight chambers done on custom rifles. I have no choice but to fit the brass for .004 diametral clearance (loaded round) at the neck. Annealing is a big plus.</p><p>Neck turning is only needed once for the life of the brass.</p></blockquote><p></p>
[QUOTE="Bob Wright, post: 1984536, member: 104363"] 2 schools of thought generally. I use a Redding S FL bushing die to set the neck tension and FL size the case body, .002 bump. Nothing else. Mine are neck turned/reamed just for this die and specific bushing diameter. Others get great results using a mandrel die to set the neck tension internally after FL sizing the body and sizing the neck down just enough for the mandrel to finish for .002-.003 neck tension generally. 2 operations here, FL then mandrel. Most "one size fits all" SAAMI spec dies that FL and use an expander ball/button, over-work the brass, especially if the brass is thicker on the neck. This leads to early cartridge demise and velocity issues. I neck turn all my brass for consistency and work the brass less. I have tight chambers done on custom rifles. I have no choice but to fit the brass for .004 diametral clearance (loaded round) at the neck. Annealing is a big plus. Neck turning is only needed once for the life of the brass. [/QUOTE]
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What am I doing wrong with sizing brass?
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