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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Can you guess what caused this failure?
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<blockquote data-quote="Hugnot" data-source="post: 2234213" data-attributes="member: 115658"><p>The big cylinder shaped grains appear to be bag stuffings.</p><p></p><p>This might be a result of the "detonation effect" where grossly under charges of extremely slow powder are used causing a detonation vs. progressive burning. I only have heard of this.</p><p></p><p>Sure looks ugly. An obstruction might have also caused this.</p><p></p><p>Another possible cause: previous round was a squib loaded with an undercharge resulting in a stuck bullet inside bore. Second round lit off the entire works.</p><p></p><p>Copper fouling cause needs more work - like measuring thickness of fouling.</p></blockquote><p></p>
[QUOTE="Hugnot, post: 2234213, member: 115658"] The big cylinder shaped grains appear to be bag stuffings. This might be a result of the "detonation effect" where grossly under charges of extremely slow powder are used causing a detonation vs. progressive burning. I only have heard of this. Sure looks ugly. An obstruction might have also caused this. Another possible cause: previous round was a squib loaded with an undercharge resulting in a stuck bullet inside bore. Second round lit off the entire works. Copper fouling cause needs more work - like measuring thickness of fouling. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Can you guess what caused this failure?
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