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Rifles, Reloading, Optics, Equipment
Reloading
Severely Dented Cases….Secondary Explosion Effect?
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<blockquote data-quote="mrultramag" data-source="post: 853145" data-attributes="member: 4467"><p>I've read that it is from too light of powder charge developing not enough pressure. I have a 7 rum. Keeping my loads towards the upper spectrum has resulted in this not ever being an issue for me. Right now I run a 140ab, rem case, 90.6 gr 7828, rem 9.5M primer and the load gives me 3400 fps @ 15ft as chrony'ed. While the charge wt of 7828 may be over max for the manuals, the velocity out of the 26" bbl is by no means out of line. I have run it up to over 3500 with rl25 and retumbo both. RL25 is slower than 7828 and your only at 88 gr so I would guess that its a fairly mild load. Now that doesn't explain all the variables you've mentioned but I would reason that running hotter loads will keep you from experiencing this phenomenon.</p></blockquote><p></p>
[QUOTE="mrultramag, post: 853145, member: 4467"] I've read that it is from too light of powder charge developing not enough pressure. I have a 7 rum. Keeping my loads towards the upper spectrum has resulted in this not ever being an issue for me. Right now I run a 140ab, rem case, 90.6 gr 7828, rem 9.5M primer and the load gives me 3400 fps @ 15ft as chrony'ed. While the charge wt of 7828 may be over max for the manuals, the velocity out of the 26" bbl is by no means out of line. I have run it up to over 3500 with rl25 and retumbo both. RL25 is slower than 7828 and your only at 88 gr so I would guess that its a fairly mild load. Now that doesn't explain all the variables you've mentioned but I would reason that running hotter loads will keep you from experiencing this phenomenon. [/QUOTE]
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Severely Dented Cases….Secondary Explosion Effect?
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