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Rifles, Reloading, Optics, Equipment
Reloading
primers flattening with no other signs of pressure?
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<blockquote data-quote="Big Turnips" data-source="post: 2043862" data-attributes="member: 116408"><p>You may have a bad batch as some have suggested. Some primers have softer cups and they're easier to fit. It's tough to tell exactly the cause, there are too many possibilities, from the case itself to the primer or the load and the resizing... Since you found primers that seem to work better, I'd stick with those.</p><p></p><p>I also wouldn't rule out Winchester primers altogether as I've had good luck with WLR primers and the old 61/2 X 120 Winchester primers. I use Federal and CCI as well and whenever I had a similar problem as you were having it was because of hotter loads and moving the cases' shoulders back too much and at times using a different make of cases, some are softer than others, however in general, the problem started with maximum loads.</p><p></p><p>The reloading manuals maximums are quite often on the softer precautionary side as they should be, but not always. I recently shot a few rounds never exceeding the maximum using all components used by the maker of the reloading manual but velocities were through the roof with no signs of pressure and with ease of extraction. The powder I used for the very first time was Reloader 17. I prefer not to get into more details but the velocity was 250 to 350 fps over the manual with a wide extreme spread. The load was also not accurate at all. Yet that same powder with a different maker's bullet and its own suggested weight charge (very close to the other), yielded excellent speeds equating those of that particular manual and one moa accuracy. Not phenomenal but good for hunting. There are no hard and fast rules in reloading. Experimentation is the only way to find what works for your rifle.</p><p></p><p>Incidentally, I reloaded the cases that showed extreme velocities and the primer pockets were tight, there were no outward or inward signs of pressure on the cases. I don't know the answer to that one but in the future, I'll stay away from that particular combination.</p></blockquote><p></p>
[QUOTE="Big Turnips, post: 2043862, member: 116408"] You may have a bad batch as some have suggested. Some primers have softer cups and they're easier to fit. It's tough to tell exactly the cause, there are too many possibilities, from the case itself to the primer or the load and the resizing... Since you found primers that seem to work better, I'd stick with those. I also wouldn't rule out Winchester primers altogether as I've had good luck with WLR primers and the old 61/2 X 120 Winchester primers. I use Federal and CCI as well and whenever I had a similar problem as you were having it was because of hotter loads and moving the cases' shoulders back too much and at times using a different make of cases, some are softer than others, however in general, the problem started with maximum loads. The reloading manuals maximums are quite often on the softer precautionary side as they should be, but not always. I recently shot a few rounds never exceeding the maximum using all components used by the maker of the reloading manual but velocities were through the roof with no signs of pressure and with ease of extraction. The powder I used for the very first time was Reloader 17. I prefer not to get into more details but the velocity was 250 to 350 fps over the manual with a wide extreme spread. The load was also not accurate at all. Yet that same powder with a different maker's bullet and its own suggested weight charge (very close to the other), yielded excellent speeds equating those of that particular manual and one moa accuracy. Not phenomenal but good for hunting. There are no hard and fast rules in reloading. Experimentation is the only way to find what works for your rifle. Incidentally, I reloaded the cases that showed extreme velocities and the primer pockets were tight, there were no outward or inward signs of pressure on the cases. I don't know the answer to that one but in the future, I'll stay away from that particular combination. [/QUOTE]
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primers flattening with no other signs of pressure?
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