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Rifles, Reloading, Optics, Equipment
Reloading
Case head separation due to FL resizing brass?
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<blockquote data-quote="Vol1975" data-source="post: 1733346" data-attributes="member: 100380"><p>10/4. </p><p>I typically in the past only neck size my brass along with only bumping the shoulder back .002ths. Measure with proper tool to give me the free area of .002. That Measurement of .002th from fire formed from the shoulders. I typically don't run max pressure but this is maybe close. The primers are just flatting out but I have no ejector marks. 175 gr pushing 2925fps for those curious. My main goal is to just reduce the brass around the shoulders and maybe around the belt to load comfortably. </p><p></p><p>As far as stressing the brass that was what I was getting at on the original start of this thread. My problem that I've found in 29 years reloading is when I take a belted magnum and FL re-size it to any amount on brass. Brass that has been shot more than a few time (say at least 4 shots) is when I've experienced splitting of the brass above the belt. This reduction on the area right about the belt seems to me the weak link on stressing the brass in any form. With that being said it's only happened a small hand full of times on 1000s of rounds down range. My reduction around the belt from fire formed to resized is approx .003 ths measured. </p><p></p><p>In the end I'm going to back off the current load and not stress the brass with a FL dye. I didn't think by moving the brass .003 th above the belt would make that much of a difference but it did.</p></blockquote><p></p>
[QUOTE="Vol1975, post: 1733346, member: 100380"] 10/4. I typically in the past only neck size my brass along with only bumping the shoulder back .002ths. Measure with proper tool to give me the free area of .002. That Measurement of .002th from fire formed from the shoulders. I typically don’t run max pressure but this is maybe close. The primers are just flatting out but I have no ejector marks. 175 gr pushing 2925fps for those curious. My main goal is to just reduce the brass around the shoulders and maybe around the belt to load comfortably. As far as stressing the brass that was what I was getting at on the original start of this thread. My problem that I’ve found in 29 years reloading is when I take a belted magnum and FL re-size it to any amount on brass. Brass that has been shot more than a few time (say at least 4 shots) is when I’ve experienced splitting of the brass above the belt. This reduction on the area right about the belt seems to me the weak link on stressing the brass in any form. With that being said it’s only happened a small hand full of times on 1000s of rounds down range. My reduction around the belt from fire formed to resized is approx .003 ths measured. In the end I’m going to back off the current load and not stress the brass with a FL dye. I didn’t think by moving the brass .003 th above the belt would make that much of a difference but it did. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Case head separation due to FL resizing brass?
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