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Long Range Hunting & Shooting
AMP Annealer VS No annealing Vs Torch Head Annealer Vs 2nd/3rd Shot
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<blockquote data-quote="Pdvdh" data-source="post: 1412939" data-attributes="member: 4191"><p>I found it very unusual - which is why I commented on it.</p><p></p><p>That could be the cause. Could very well explain the unusual stretch & incipient separation at that location. I've seen impending case head separations in real life, and in many photos, but never seen them occur at the location on these '<em>Horny</em>' cases. "Normal" bottleneck rifle cases don't separate that far up from the case web. They don't normally separate at all, unless repeatedly having the shoulder set back excessively off the chamber shoulder.</p><p></p><p>Maybe jdmecomber can comment on his shoulder setback during case resizing, as a matter of curiousity. Because this seems unlikely shy of excess shoulder setback during resizing, even if the case sidewalls were improperly annealed. If the resized and chambered case shoulders are in near contact with the chamber shoulder, how much can the sidewalls stretch?</p><p></p><p><em><strong>BUT</strong></em>... my comments include the <em>disclaimer</em> that I have no experience with case separation at this location, <u>where the case wall thickness is much thinner than near the case web</u>. So I suppose it could happen... even with little excess headspace between the resized case shoulder and the chamber shoulder. It's a puzzler for sure.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1412939, member: 4191"] I found it very unusual - which is why I commented on it. That could be the cause. Could very well explain the unusual stretch & incipient separation at that location. I've seen impending case head separations in real life, and in many photos, but never seen them occur at the location on these '[I]Horny[/I]' cases. "Normal" bottleneck rifle cases don't separate that far up from the case web. They don't normally separate at all, unless repeatedly having the shoulder set back excessively off the chamber shoulder. Maybe jdmecomber can comment on his shoulder setback during case resizing, as a matter of curiousity. Because this seems unlikely shy of excess shoulder setback during resizing, even if the case sidewalls were improperly annealed. If the resized and chambered case shoulders are in near contact with the chamber shoulder, how much can the sidewalls stretch? [I][B]BUT[/B][/I]... my comments include the [I]disclaimer[/I] that I have no experience with case separation at this location, [U]where the case wall thickness is much thinner than near the case web[/U]. So I suppose it could happen... even with little excess headspace between the resized case shoulder and the chamber shoulder. It's a puzzler for sure. [/QUOTE]
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AMP Annealer VS No annealing Vs Torch Head Annealer Vs 2nd/3rd Shot
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