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Rifles, Reloading, Optics, Equipment
Reloading
Maximum case length.
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<blockquote data-quote="fguffey" data-source="post: 1874981" data-attributes="member: 113511"><p>Length of the chamber; that would be the distance from the datum/shoulder to the bolt face and then there is the length of the chamber from the end of the chamber neck to the bolt face. When determining the length of the chamber from the end of the neck to the bolt face I eliminate the length of the chamber from the datum/shoulder to the bolt face.</p><p></p><p>I can not move the shoulder back on a case with any type of die that has case body support.; so I use a forming die, the shoulder I start with is not the same shoulder I finish with but the plan is to get the shoulder out of the case out of the way. Meaning I do not care if I shorten the length of the case .100" or .200".</p><p></p><p>So I would start with a 280 Remington case by shortening the length of the case from the shoulder to the case head with a forming die, again, I can not move the shoulder of the case, the shoulder I finish with is not the same shoulder I started with. </p><p></p><p>When I form the 280 Remington case the neck gets longer, one day I was showing off, when finished I had a 280 Remington case with a .300" neck length from the shoulder/neck juncture to the end of the neck and the the case body was short. </p><p></p><p>I could say something like 'think about it' but that has never worked on another forum. If I was able to move the shoulder back the case body would be wadded up below the forming die. Again, the shoulder I start with is not the same shoulder I finish with. It is the same for all reloaders; problem, they do not know it.</p><p></p><p>With the long neck/short body case I trim the length of the neck to the point it is too long. When determining the length of the chamber from the end of the neck to the bolt face I start trimming and trying to close the bolt on the case. I could attempt to close the bolt on the long neck by closing the bolt, The end of the chamber and beginning of the throat will sized the neck down. After that it becomes one of those 'and then' moment, and then trim the neck at the reduced diameter, measure and then try again.</p><p></p><p>When working with 30/06 cases I run 20 of them through the forming die. When necking 30/06 cases up to 35 Whelen I neck up 200 cases.</p><p></p><p>F. Guffey</p></blockquote><p></p>
[QUOTE="fguffey, post: 1874981, member: 113511"] Length of the chamber; that would be the distance from the datum/shoulder to the bolt face and then there is the length of the chamber from the end of the chamber neck to the bolt face. When determining the length of the chamber from the end of the neck to the bolt face I eliminate the length of the chamber from the datum/shoulder to the bolt face. I can not move the shoulder back on a case with any type of die that has case body support.; so I use a forming die, the shoulder I start with is not the same shoulder I finish with but the plan is to get the shoulder out of the case out of the way. Meaning I do not care if I shorten the length of the case .100" or .200". So I would start with a 280 Remington case by shortening the length of the case from the shoulder to the case head with a forming die, again, I can not move the shoulder of the case, the shoulder I finish with is not the same shoulder I started with. When I form the 280 Remington case the neck gets longer, one day I was showing off, when finished I had a 280 Remington case with a .300" neck length from the shoulder/neck juncture to the end of the neck and the the case body was short. I could say something like 'think about it' but that has never worked on another forum. If I was able to move the shoulder back the case body would be wadded up below the forming die. Again, the shoulder I start with is not the same shoulder I finish with. It is the same for all reloaders; problem, they do not know it. With the long neck/short body case I trim the length of the neck to the point it is too long. When determining the length of the chamber from the end of the neck to the bolt face I start trimming and trying to close the bolt on the case. I could attempt to close the bolt on the long neck by closing the bolt, The end of the chamber and beginning of the throat will sized the neck down. After that it becomes one of those 'and then' moment, and then trim the neck at the reduced diameter, measure and then try again. When working with 30/06 cases I run 20 of them through the forming die. When necking 30/06 cases up to 35 Whelen I neck up 200 cases. F. Guffey [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Maximum case length.
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