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Rifles, Reloading, Optics, Equipment
Reloading
Showing signs of excess pressure/what next?
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<blockquote data-quote="Michael Eichele" data-source="post: 249880" data-attributes="member: 1007"><p>My method may be unorthodox but works.</p><p></p><p>I take a fire formed peice of brass and measure the shoulder from the base using a custom neck trimmer that uses the shoulder to stop the trimming. This trimmer rests on the shoulder. Then I use a micrometer between the trimmer and base of the case. Then I size a case and measure. If the die set the shoulder back more than .0005 to .002" then IMHO it is set back too much. Adjust your die and start over.</p><p></p><p>I had one barrel in particular that if I set it more than .0005 back, I had trouble extracting cases. Actually I think it was a poorly cut chamber. In any event, it didnt like to be set back much at all.</p><p></p><p>With my current chamber (which is WAY more forgiving, I just set them back to factory which is about .001 back. It is a fairly tight chamber.</p><p></p><p>BTW, I am glad you figured it out. Your next purchase WILL be a chornograph, right?</p></blockquote><p></p>
[QUOTE="Michael Eichele, post: 249880, member: 1007"] My method may be unorthodox but works. I take a fire formed peice of brass and measure the shoulder from the base using a custom neck trimmer that uses the shoulder to stop the trimming. This trimmer rests on the shoulder. Then I use a micrometer between the trimmer and base of the case. Then I size a case and measure. If the die set the shoulder back more than .0005 to .002" then IMHO it is set back too much. Adjust your die and start over. I had one barrel in particular that if I set it more than .0005 back, I had trouble extracting cases. Actually I think it was a poorly cut chamber. In any event, it didnt like to be set back much at all. With my current chamber (which is WAY more forgiving, I just set them back to factory which is about .001 back. It is a fairly tight chamber. BTW, I am glad you figured it out. Your next purchase WILL be a chornograph, right? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Showing signs of excess pressure/what next?
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