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Rifles, Reloading, Optics, Equipment
Reloading
Stuck case in chamber
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<blockquote data-quote="BearDog" data-source="post: 1945014" data-attributes="member: 41680"><p>Yeah, there was a member in here who has some software that computes load percentages, pressure ranges, and whether the load would be considered safe or compressed. I'm loading in .2gr increments starting at 69 and working up through 70. I'll be checking for pressure signs along the way. I'm also using virgin brass and have two groups of three each loaded. One .040 off lands and the other .020. I did not use a fire formed shell and tap it, but used that modified Hornady case and OAL gauge along with a comparator. I never measure my OAL and always go by ogive but it will be longer than SAAMI specs.</p><p>I caused a lot of confusion stating that's I loaded it .005 off the lands in my original post when I had it at .040. I don't know why I had that number in my head but that's why I write everything down. I think using brass that had been fired out of my old chamber played a significant role in the initial sticking. I measured the diameter immediately above of the belt on the full sized once fired brass, and it was significantly bigger than the radius on the virgin brass. I think that paired with being as far off the lands as I was caused the over pressure, and I know that 70g is the upper pressure threshold Being .040 off lands in that chamber. </p><p>I haven't been loading that long, maybe five years, and I could not figure out what was causing the issue. Glad I raised the question to the group. Learned a lot.</p></blockquote><p></p>
[QUOTE="BearDog, post: 1945014, member: 41680"] Yeah, there was a member in here who has some software that computes load percentages, pressure ranges, and whether the load would be considered safe or compressed. I’m loading in .2gr increments starting at 69 and working up through 70. I’ll be checking for pressure signs along the way. I’m also using virgin brass and have two groups of three each loaded. One .040 off lands and the other .020. I did not use a fire formed shell and tap it, but used that modified Hornady case and OAL gauge along with a comparator. I never measure my OAL and always go by ogive but it will be longer than SAAMI specs. I caused a lot of confusion stating that’s I loaded it .005 off the lands in my original post when I had it at .040. I don’t know why I had that number in my head but that’s why I write everything down. I think using brass that had been fired out of my old chamber played a significant role in the initial sticking. I measured the diameter immediately above of the belt on the full sized once fired brass, and it was significantly bigger than the radius on the virgin brass. I think that paired with being as far off the lands as I was caused the over pressure, and I know that 70g is the upper pressure threshold Being .040 off lands in that chamber. I haven’t been loading that long, maybe five years, and I could not figure out what was causing the issue. Glad I raised the question to the group. Learned a lot. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Stuck case in chamber
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