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Rifles, Reloading, Optics, Equipment
Reloading
More reloading issues
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<blockquote data-quote="green 788" data-source="post: 647306" data-attributes="member: 3781"><p>did you see if you could slip a bullet into a fired case?</p><p></p><p>You ask if there's any way to size the brass back to factory specs... and I mentioned that, though you said you've done it. If your dies are doing their job, the cases should come back to spec, all the way... just be sure you can't see a sliver of light (back light with a flashlight) between die base and shell holder when the ram is all the way up. You shouldn't of course have to size the cases that aggressively, but they've obviously been stretched from over-pressure, or so it seems...</p><p></p><p>If your chamber is out of round, you'll see that as you mic the case web area at different points... if it's the same reading all the way around (within .001" or so), the chamber would seem fine.</p><p></p><p>If the fired cases are ALL broader one way than another (say they're .003" wider from 3 to 9 o'clock than from 12 to 6 o'clock)... then I would agree that the chamber is egg shaped.</p><p></p><p>My rifle (a Savage 110BA) would hang cases from Hornady FACTORY match loads, the 285 grain match ammo, and cases were stretching at the neck area by as much as 20 thousandths! But the problem is soft Hornady brass (ejector marks on even the factory loads), and thick necks that won't let the neck expand to let the bullet release (again, see if you can slip a bullet into the neck of a fired case and post result)...</p><p></p><p>When brass is stressed to the point that it's obviously getting stressed (I have pretty flat primers on the Hornady factory ammo I've shot)... then weird things can happen. I had to tap the fired cases free from my chamber with a Dewey rod, the extractor just jumped the rim and left the case in the chamber. No such problem with Lapua cases, however...</p><p></p><p>I would just hate to see you send the rifle back to Savage and get told just what you're suspecting, that it's all well and good and your ammo has been the problem.</p><p></p><p>I'll go measure some of my fired cases and see what they're showing in the web area for girth... I'll post back in a little while...</p><p></p><p>Dan</p></blockquote><p></p>
[QUOTE="green 788, post: 647306, member: 3781"] did you see if you could slip a bullet into a fired case? You ask if there's any way to size the brass back to factory specs... and I mentioned that, though you said you've done it. If your dies are doing their job, the cases should come back to spec, all the way... just be sure you can't see a sliver of light (back light with a flashlight) between die base and shell holder when the ram is all the way up. You shouldn't of course have to size the cases that aggressively, but they've obviously been stretched from over-pressure, or so it seems... If your chamber is out of round, you'll see that as you mic the case web area at different points... if it's the same reading all the way around (within .001" or so), the chamber would seem fine. If the fired cases are ALL broader one way than another (say they're .003" wider from 3 to 9 o'clock than from 12 to 6 o'clock)... then I would agree that the chamber is egg shaped. My rifle (a Savage 110BA) would hang cases from Hornady FACTORY match loads, the 285 grain match ammo, and cases were stretching at the neck area by as much as 20 thousandths! But the problem is soft Hornady brass (ejector marks on even the factory loads), and thick necks that won't let the neck expand to let the bullet release (again, see if you can slip a bullet into the neck of a fired case and post result)... When brass is stressed to the point that it's obviously getting stressed (I have pretty flat primers on the Hornady factory ammo I've shot)... then weird things can happen. I had to tap the fired cases free from my chamber with a Dewey rod, the extractor just jumped the rim and left the case in the chamber. No such problem with Lapua cases, however... I would just hate to see you send the rifle back to Savage and get told just what you're suspecting, that it's all well and good and your ammo has been the problem. I'll go measure some of my fired cases and see what they're showing in the web area for girth... I'll post back in a little while... Dan [/QUOTE]
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