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Rifles, Reloading, Optics, Equipment
Reloading
Quick question on pulling bullets
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<blockquote data-quote="Pdvdh" data-source="post: 402130" data-attributes="member: 4191"><p>I don't have a RC II, so don't know what you've got for a handle on your reloading press - longer/shorter or lighter/heavier. Mine's the original RCBS RC press with a heafty solid steel handle. I applied force to begin the third seating of the bullet and then the weight of the handle alone completed the seating when the handle slipped through my fingers. I was holding it lightly in the effort to sense the muscle force applied to the handle. </p><p></p><p>Each consecutive pulling and seating of my bullet seemed to require less force. But by the third time, comparing the first to the third, the reduced force on the handle couldn't be denied. </p><p></p><p>Are you stating that your third bullet pull case neck diameter was within .0002" of your first bullet pull case neck diameter, and that you were unable to determine if it was .0002" smaller or larger than the initial measurement? Not sure what you're stating.</p><p></p><p>I measured the inner case neck ID following each of the four bullet pulls, but only provided the first and last measurements, because I agree the ability to define 0.0001 is a challenge. On my dial caliper, 0.0003" is just about 1/3 of the distance between the 0.001" calibration marks, and it's not very difficult to estimate "greater than 1/3" or "less than 1/3" of the distance between the 0.001" calibration lines. Which is why I presented the difference between the initial and final measurements, after the combined total measurement difference exceeded 0.0003", rather than try to reach any conclusion following 0.0001" incremental increases. Just as with the force on the press handle, the difference between the inside case neck diameter measurements from the first bullet pull to the fourth bullet pull could not be denied. </p><p></p><p>Yes, my findings more or less duplicate my prior experiences, except I've never measured case neck OD or ID in the past, as an effort to document changes in diameter with subsequent bullet seating and pulling cycles.</p><p></p><p>Based on our experiences and experiment, seems like the logical course of action is for you to reseat pulled bullets without bothering to resize the case neck prior to reseating. And for me to resize prior to reseating.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 402130, member: 4191"] I don't have a RC II, so don't know what you've got for a handle on your reloading press - longer/shorter or lighter/heavier. Mine's the original RCBS RC press with a heafty solid steel handle. I applied force to begin the third seating of the bullet and then the weight of the handle alone completed the seating when the handle slipped through my fingers. I was holding it lightly in the effort to sense the muscle force applied to the handle. Each consecutive pulling and seating of my bullet seemed to require less force. But by the third time, comparing the first to the third, the reduced force on the handle couldn't be denied. Are you stating that your third bullet pull case neck diameter was within .0002" of your first bullet pull case neck diameter, and that you were unable to determine if it was .0002" smaller or larger than the initial measurement? Not sure what you're stating. I measured the inner case neck ID following each of the four bullet pulls, but only provided the first and last measurements, because I agree the ability to define 0.0001 is a challenge. On my dial caliper, 0.0003" is just about 1/3 of the distance between the 0.001" calibration marks, and it's not very difficult to estimate "greater than 1/3" or "less than 1/3" of the distance between the 0.001" calibration lines. Which is why I presented the difference between the initial and final measurements, after the combined total measurement difference exceeded 0.0003", rather than try to reach any conclusion following 0.0001" incremental increases. Just as with the force on the press handle, the difference between the inside case neck diameter measurements from the first bullet pull to the fourth bullet pull could not be denied. Yes, my findings more or less duplicate my prior experiences, except I've never measured case neck OD or ID in the past, as an effort to document changes in diameter with subsequent bullet seating and pulling cycles. Based on our experiences and experiment, seems like the logical course of action is for you to reseat pulled bullets without bothering to resize the case neck prior to reseating. And for me to resize prior to reseating. [/QUOTE]
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Quick question on pulling bullets
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