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Reloading
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<blockquote data-quote="ahlsy" data-source="post: 1932484" data-attributes="member: 33821"><p>I had the same problem with some new ADG brass in 6.5 Creedmoor. First it was seating some Barnes bullets. Looked just like those ones. I hadn't run them over a expander ball and they are a bit too tight, and a bit too small... I did manage to squish a few shoulders (not quite as bad) with just the expander ball too...</p><p></p><p>In the end, I had to put a really good inside chamfer on the brass, then set the sizing die so that it would only run the expander through, not pushing the shoulder at all, AND lube a little with some case lube, before it stopped happening...</p><p></p><p>It didn't happen as much with some Hornady ELD-X that I was loading, but still a few times...I'm pretty sure it had to do with the sharper shoulder of the Barnes boat tail catching on the case neck, wheras the Hornady had a smoother transition that managed to slide past...</p><p></p><p>I did manage to completely destroy about 6 cases out of 2 boxes, but once I had caught on to the fix, I was able to FL resize the ones with the shoulders that weren't pushed down as far as your picture. </p><p></p><p>I have reloaded at least one of those boxes since then, and there were no issues at all. Just seems like the necks were too tight as manufactured...and the brass was too soft to take the pressure of forcing the bullet into the neck... I wouldn't say you were doing anything wrong. I've loaded well over 10k (probably 15 to 20k) rifle rounds and this is the first and only time I've ever seen this... I have 150 pcs of 6.5 PRC ADG brass waiting for the gunsmith to finish, and it will all be getting chamfered and expanded w/graphite before I ever try to seat the first bullet...</p></blockquote><p></p>
[QUOTE="ahlsy, post: 1932484, member: 33821"] I had the same problem with some new ADG brass in 6.5 Creedmoor. First it was seating some Barnes bullets. Looked just like those ones. I hadn't run them over a expander ball and they are a bit too tight, and a bit too small... I did manage to squish a few shoulders (not quite as bad) with just the expander ball too... In the end, I had to put a really good inside chamfer on the brass, then set the sizing die so that it would only run the expander through, not pushing the shoulder at all, AND lube a little with some case lube, before it stopped happening... It didn't happen as much with some Hornady ELD-X that I was loading, but still a few times...I'm pretty sure it had to do with the sharper shoulder of the Barnes boat tail catching on the case neck, wheras the Hornady had a smoother transition that managed to slide past... I did manage to completely destroy about 6 cases out of 2 boxes, but once I had caught on to the fix, I was able to FL resize the ones with the shoulders that weren't pushed down as far as your picture. I have reloaded at least one of those boxes since then, and there were no issues at all. Just seems like the necks were too tight as manufactured...and the brass was too soft to take the pressure of forcing the bullet into the neck... I wouldn't say you were doing anything wrong. I've loaded well over 10k (probably 15 to 20k) rifle rounds and this is the first and only time I've ever seen this... I have 150 pcs of 6.5 PRC ADG brass waiting for the gunsmith to finish, and it will all be getting chamfered and expanded w/graphite before I ever try to seat the first bullet... [/QUOTE]
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