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Rifles, Reloading, Optics, Equipment
Reloading
RCBS FL Dies
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<blockquote data-quote="Bart B" data-source="post: 1135464" data-attributes="member: 5302"><p><strong>Too Many Assumptions</strong></p><p></p><p>Yes, it would help if we knew the cartridge involved.</p><p></p><p>What part of the resized case prevented it from being chambered? </p><p></p><p>Were there scratches on its pressure ring, the part of the case body about 1/10th inch in front of the extractor groove? If not, then the die was set too high in the press and didn't size the case enough to set the case shoulder back; instead the fired case shoulder was moved forward by the body being sized down.</p><p></p><p>I don't think any maker of standard full length sizing dies claims they size cases back to factory spec. Whose factory spec would they reference? They're all different. And they may or may not conform to SAAMI specs; it's voluntary for them to do so.</p><p></p><p>RCBS says their full length small base dies size cases below SAAMI specs. They also don't recommend such dies be used resizing cases for bolt action rifles. Over sizing cases is a sure and fast path to early case head separation by the work-hardening of the brass at its pressure ring.</p></blockquote><p></p>
[QUOTE="Bart B, post: 1135464, member: 5302"] [b]Too Many Assumptions[/b] Yes, it would help if we knew the cartridge involved. What part of the resized case prevented it from being chambered? Were there scratches on its pressure ring, the part of the case body about 1/10th inch in front of the extractor groove? If not, then the die was set too high in the press and didn't size the case enough to set the case shoulder back; instead the fired case shoulder was moved forward by the body being sized down. I don't think any maker of standard full length sizing dies claims they size cases back to factory spec. Whose factory spec would they reference? They're all different. And they may or may not conform to SAAMI specs; it's voluntary for them to do so. RCBS says their full length small base dies size cases below SAAMI specs. They also don't recommend such dies be used resizing cases for bolt action rifles. Over sizing cases is a sure and fast path to early case head separation by the work-hardening of the brass at its pressure ring. [/QUOTE]
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RCBS FL Dies
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