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Rifles, Reloading, Optics, Equipment
Reloading
Case splitting after fired...
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<blockquote data-quote="Pdvdh" data-source="post: 1366805" data-attributes="member: 4191"><p>You can look down into the empty case with a flashlight and see the extent of the thinning on the interior of the casing, about 3/16" above your reloading die's edge of contact near the base of the case. You'll see the concave ring where the casing sidewall is distinctively thinned. Will be a concave ring visible.</p><p></p><p>The primary error to get premature case head separation is if you're setting the shoulder back too much when resizing the fired cases in your resizing die. You adjust your sizing die so the shoulder is only shoved back maybe 0.002" from the fired case shoulder length.</p><p></p><p>You should also be able to see the incipient separation ring (again about 3/16" above the lowest contact point with your resizing die) on the exterior of the casing. It will be an exact location match to the hollow concave shadow visible within the interior of the cases. Except the exterior ring will be a brighter line around the exterior of the casing.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1366805, member: 4191"] You can look down into the empty case with a flashlight and see the extent of the thinning on the interior of the casing, about 3/16" above your reloading die's edge of contact near the base of the case. You'll see the concave ring where the casing sidewall is distinctively thinned. Will be a concave ring visible. The primary error to get premature case head separation is if you're setting the shoulder back too much when resizing the fired cases in your resizing die. You adjust your sizing die so the shoulder is only shoved back maybe 0.002" from the fired case shoulder length. You should also be able to see the incipient separation ring (again about 3/16" above the lowest contact point with your resizing die) on the exterior of the casing. It will be an exact location match to the hollow concave shadow visible within the interior of the cases. Except the exterior ring will be a brighter line around the exterior of the casing. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Case splitting after fired...
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