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Rifles, Reloading, Optics, Equipment
Reloading
257 stw blowing primers
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<blockquote data-quote="mt_archer" data-source="post: 706993" data-attributes="member: 26573"><p>Extreme rounds like this are squirrelly for sure. I quit rl25 and went to ram shot magnum when it was first around for 257 stw. Even at that, i never reloaded my brass, half wouldnt hold primers. More recently I went to retumbo. Not quite the velocity but more stable. Etip is pretty bad, too. That combo is likely verge of hand grenade, even just a few thousandths closer to rifling or few degrees warmer could do it. If everything was identical, I would suspect a carbon ring around six inches ahead of chamber. If you push a nylon brush slowly, feel for resistance. If there is a rough spot, it could be carbon ring. Might get it with foam, otherwise, use slow back and forth with jb bore paste and kroil, or something similar. Just don't use metal brush. If no carbon ring, I'd be grasping at straws.</p></blockquote><p></p>
[QUOTE="mt_archer, post: 706993, member: 26573"] Extreme rounds like this are squirrelly for sure. I quit rl25 and went to ram shot magnum when it was first around for 257 stw. Even at that, i never reloaded my brass, half wouldnt hold primers. More recently I went to retumbo. Not quite the velocity but more stable. Etip is pretty bad, too. That combo is likely verge of hand grenade, even just a few thousandths closer to rifling or few degrees warmer could do it. If everything was identical, I would suspect a carbon ring around six inches ahead of chamber. If you push a nylon brush slowly, feel for resistance. If there is a rough spot, it could be carbon ring. Might get it with foam, otherwise, use slow back and forth with jb bore paste and kroil, or something similar. Just don't use metal brush. If no carbon ring, I'd be grasping at straws. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
257 stw blowing primers
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