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Rifles, Reloading, Optics, Equipment
Reloading
Body die issues.
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<blockquote data-quote="MNbogboy" data-source="post: 946827" data-attributes="member: 18849"><p>Without actually seeing your cases two things come to mind...</p><p> </p><p>First of all, the "bulge" on the outside is supposed to be there...The neck has been sized by the neck sizing die and the body die sized the case body excluding the neck....The "bulged" (unsized part) is probably the slight resistance that you feel when you chamber these cases....</p><p> </p><p>I believe the second interior "bulge" may be a problem known as the "doughnut" and I believe it is probably not related to your visual exterior bulge although it usually occurs at the interior junction of the neck and shoulder....Several theories have been brought up on this and other forums as to its cause...</p><p> </p><p>A solution for the removal of course is inside neck reaming....But others on here can give you more info....Personally in 50 years of reloading I have only "suffered" from this problem a couple of times and my resolve was neck reaming only to have them return...Switched brass and the problems disappeared.....</p><p> </p><p>Often soft "flowing" brass has been attributed to the problem and I can agree that the brass I had problems was new and was in my opinion soft.....I am not a firm believer in annealing and there might be a chance that an annealing process may have caused the onset of doughnuts in some of the cases......</p><p> </p><p>Check some of your other sized (but not body sized) cases for the interior swell.....If it is there then you probably have the dreaded doughnut...</p><p> </p><p>Another possibility may be that body sizer is actually causing the brass "flow" at the time of sizing but this is only speculation...Others on here can expand as mentioned before I have only had the problem twice before and cured it with a total brass change....</p><p> </p><p>Good luck,</p><p>Randy</p></blockquote><p></p>
[QUOTE="MNbogboy, post: 946827, member: 18849"] Without actually seeing your cases two things come to mind... First of all, the "bulge" on the outside is supposed to be there...The neck has been sized by the neck sizing die and the body die sized the case body excluding the neck....The "bulged" (unsized part) is probably the slight resistance that you feel when you chamber these cases.... I believe the second interior "bulge" may be a problem known as the "doughnut" and I believe it is probably not related to your visual exterior bulge although it usually occurs at the interior junction of the neck and shoulder....Several theories have been brought up on this and other forums as to its cause... A solution for the removal of course is inside neck reaming....But others on here can give you more info....Personally in 50 years of reloading I have only "suffered" from this problem a couple of times and my resolve was neck reaming only to have them return...Switched brass and the problems disappeared..... Often soft "flowing" brass has been attributed to the problem and I can agree that the brass I had problems was new and was in my opinion soft.....I am not a firm believer in annealing and there might be a chance that an annealing process may have caused the onset of doughnuts in some of the cases...... Check some of your other sized (but not body sized) cases for the interior swell.....If it is there then you probably have the dreaded doughnut... Another possibility may be that body sizer is actually causing the brass "flow" at the time of sizing but this is only speculation...Others on here can expand as mentioned before I have only had the problem twice before and cured it with a total brass change.... Good luck, Randy [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Body die issues.
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