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Rifles, Reloading, Optics, Equipment
Reloading
What caused this???
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<blockquote data-quote="Pdvdh" data-source="post: 968200" data-attributes="member: 4191"><p>This can happen when using a light load with a slow burning powder. It's from the case not sealing to the chamber tightly and allowing high pressure gas to act on the exterior of the cartridge case. </p><p></p><p>The fact that the shoulder had 0.007" to 0.010" excessive slop (headspace) may indeed, be a contributing factor. Allowing gas to slip past the exterior of the case. However folks fireform brass casings all the time, but probably with faster burning powder than you were using.</p><p></p><p>You said you're using more than the max load of powder. Dunno what to say about that. I think it's a combination of a slow burning powder and excessive headspace. My guesstimation and information...</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 968200, member: 4191"] This can happen when using a light load with a slow burning powder. It's from the case not sealing to the chamber tightly and allowing high pressure gas to act on the exterior of the cartridge case. The fact that the shoulder had 0.007" to 0.010" excessive slop (headspace) may indeed, be a contributing factor. Allowing gas to slip past the exterior of the case. However folks fireform brass casings all the time, but probably with faster burning powder than you were using. You said you're using more than the max load of powder. Dunno what to say about that. I think it's a combination of a slow burning powder and excessive headspace. My guesstimation and information... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
What caused this???
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