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Rifles, Reloading, Optics, Equipment
Reloading
Burn rate range
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<blockquote data-quote="Mike Matteson" data-source="post: 2699816" data-attributes="member: 101791"><p>I have been reloading for a very long time (60yr). Over 24 years ago. I move or change my powder loads beyond what the reloading manuals call out for. I was or still do use belted mag cases for that. I went up at very, very slowly increasing powder charge. Findly found that in case at hold 70gr or so. You could move up at .5grs at a time. Starting out in the low end of the reloading manual call out on that weight or grain of bullet. There I load up one case per powder charge and increase by .5gr for each case. Set several loads and go to the range. I watch very carefully for pressure signs. I would stop before any creating was showing up. A ladder test of a type. Smaller cases I only move up at .25grs at a time</p><p>Back then I got into trouble. I was using Double based powders. Not understanding how the temp effected them. Developed a load that was very accurate, but during the colder times in S. Cal. When back out in the summer to use that load. Blow a primer out of the case. Temp changed 50 to 60 degree during that time. I changed to single based powder and never looked back. Never had a problem again with single based powders so far. Those powder charges work in 100+ tem changes. I normal use H4350 or H4831which the temp doesn't effect then nearly much. I also hold my shots to 500yds too. That generally limited problem too. </p><p>With todays market and the availbablity of powder makes it hard to get what you want to use. So I am branching out into other single base powder to explore. I am also looking at the burn rate of the powders too. I cross reference to other cases and bullet weights to see what they are loading to get idea as to what powder charge I am going to use. Then go from there. I presently have 6mm/280AI chambering. So there isn't much out there for reloading info. That's find with me. I'll figure it out. </p><p>At the same time there isn't much out there on how the temp effects the powder either. Hodgdon has some, but that's about it. </p><p>So be carefull in builting your loads. It can be done. </p><p>If somebody else something in more detail. Please attach a PDF file here on LRH. I would very interested in it.</p></blockquote><p></p>
[QUOTE="Mike Matteson, post: 2699816, member: 101791"] I have been reloading for a very long time (60yr). Over 24 years ago. I move or change my powder loads beyond what the reloading manuals call out for. I was or still do use belted mag cases for that. I went up at very, very slowly increasing powder charge. Findly found that in case at hold 70gr or so. You could move up at .5grs at a time. Starting out in the low end of the reloading manual call out on that weight or grain of bullet. There I load up one case per powder charge and increase by .5gr for each case. Set several loads and go to the range. I watch very carefully for pressure signs. I would stop before any creating was showing up. A ladder test of a type. Smaller cases I only move up at .25grs at a time Back then I got into trouble. I was using Double based powders. Not understanding how the temp effected them. Developed a load that was very accurate, but during the colder times in S. Cal. When back out in the summer to use that load. Blow a primer out of the case. Temp changed 50 to 60 degree during that time. I changed to single based powder and never looked back. Never had a problem again with single based powders so far. Those powder charges work in 100+ tem changes. I normal use H4350 or H4831which the temp doesn't effect then nearly much. I also hold my shots to 500yds too. That generally limited problem too. With todays market and the availbablity of powder makes it hard to get what you want to use. So I am branching out into other single base powder to explore. I am also looking at the burn rate of the powders too. I cross reference to other cases and bullet weights to see what they are loading to get idea as to what powder charge I am going to use. Then go from there. I presently have 6mm/280AI chambering. So there isn't much out there for reloading info. That's find with me. I'll figure it out. At the same time there isn't much out there on how the temp effects the powder either. Hodgdon has some, but that's about it. So be carefull in builting your loads. It can be done. If somebody else something in more detail. Please attach a PDF file here on LRH. I would very interested in it. [/QUOTE]
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Burn rate range
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