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Rifles, Reloading, Optics, Equipment
Reloading
possible chamber spec problem--- or fl die problem.
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<blockquote data-quote="RegionRat" data-source="post: 2952696" data-attributes="member: 57231"><p>[ATTACH=full]512946[/ATTACH]</p><p></p><p>This depends on the condition of the brass when fired, and the diameter of the chamber neck, but your numbers are not unusual or abnormal for a typical chamber.</p><p>If you really want to know your chamber dimensions, you either trace them back to the manufacturer or you chamber cast and inspect.</p><p></p><p>With the very long history of the cartridge, folks have tailored many reamer designs that made all sorts of custom changes to the original SAAMI dimensions above, so I would either research the chamber reamer they used or inspect.</p><p></p><p>Don't let the SAAMI numbers throw you off track. Those values represent what happens when too many folks get on a committee and all sorts of factions get a vote. Some of the most popular old cartridges have the worst specification drawings as a result.</p><p></p><p>As for the case neck in your first post that failed, what was the history of the ammo/brass?</p><p>Is there anything in the history of that brass that could explain the issue?</p><p></p><p>ETA: here is the Serengeti version</p><p>[ATTACH=full]512947[/ATTACH]</p></blockquote><p></p>
[QUOTE="RegionRat, post: 2952696, member: 57231"] [ATTACH type="full" alt="1700605163073.png"]512946[/ATTACH] This depends on the condition of the brass when fired, and the diameter of the chamber neck, but your numbers are not unusual or abnormal for a typical chamber. If you really want to know your chamber dimensions, you either trace them back to the manufacturer or you chamber cast and inspect. With the very long history of the cartridge, folks have tailored many reamer designs that made all sorts of custom changes to the original SAAMI dimensions above, so I would either research the chamber reamer they used or inspect. Don't let the SAAMI numbers throw you off track. Those values represent what happens when too many folks get on a committee and all sorts of factions get a vote. Some of the most popular old cartridges have the worst specification drawings as a result. As for the case neck in your first post that failed, what was the history of the ammo/brass? Is there anything in the history of that brass that could explain the issue? ETA: here is the Serengeti version [ATTACH type="full"]512947[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
possible chamber spec problem--- or fl die problem.
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