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Rifles, Reloading, Optics, Equipment
Reloading
Federal brass???
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<blockquote data-quote="7stw" data-source="post: 600072" data-attributes="member: 22854"><p>Neck sizing is nothing more or less than is implied. When you get a neck size die only, it does not contact the body, or shoulder at all. It simply squeezes the neck in on the up stroke, and expands the inner neck to spec on the down stroke. It does not change the body contour at all due to lack of contact. On your F/L dies, you need to insure that you have them set properly. They need to be set so that the press moderately cams over on the shell holder when you are at the top of the stroke. This insures body, neck, and shoulder dimensions are back to original. Remember, belted mags headspace on the belt, not the shoulder. If you run it with a gap, the shoulder will contact the chamber wall. When you realize this, you will readjust the die, and that will crush the shoulder on the brass, then it is junk. I would recommend that you set your dies to FULL LENGTH , let them alone. Later on, you can try neck sizing, on every other resize. For now keep it simple. AIM SMALL, MISS SMALLlightbulb 7STW.</p></blockquote><p></p>
[QUOTE="7stw, post: 600072, member: 22854"] Neck sizing is nothing more or less than is implied. When you get a neck size die only, it does not contact the body, or shoulder at all. It simply squeezes the neck in on the up stroke, and expands the inner neck to spec on the down stroke. It does not change the body contour at all due to lack of contact. On your F/L dies, you need to insure that you have them set properly. They need to be set so that the press moderately cams over on the shell holder when you are at the top of the stroke. This insures body, neck, and shoulder dimensions are back to original. Remember, belted mags headspace on the belt, not the shoulder. If you run it with a gap, the shoulder will contact the chamber wall. When you realize this, you will readjust the die, and that will crush the shoulder on the brass, then it is junk. I would recommend that you set your dies to FULL LENGTH , let them alone. Later on, you can try neck sizing, on every other resize. For now keep it simple. AIM SMALL, MISS SMALLlightbulb 7STW. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Federal brass???
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