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Rifles, Reloading, Optics, Equipment
Reloading
Need some advice
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<blockquote data-quote="nheninge" data-source="post: 271176" data-attributes="member: 13085"><p>I think Ackley maybe you have confused some of my cartridge neck and chamber necks d/t some poor writing on my part. Communication is a bitch when you can't read body language etc. I try to be clear, but sometimes it just doesn't come through! Somehow we all seem to be on the same page, with minor differences. If we both agree on the article, then we are on common ground.</p><p></p><p>I rely TOTALLY on my smith to determine sufficient neck clearance. The three basic categories are tight, no-turn, and factory. 0.003 is likely not enough. Maybe a no-turn neck is your happy median trueblue.</p><p></p><p>By finicky I mean exactly what you state. Improper turning (even by a thou) can cause accuracy problems in a tight neck along with dirt etc. Same train of thought.</p><p></p><p>What I mean by turning a neck to 0.012 increases the movement of the brass each time the case is fired in a factory neck. To quote Fred (clearly a better author) ...The downside to removing too much brass during the neck turning operation is to avoid excessive expansion of the case neck when it expands to seal the chamber. This can result in excessive work hardening of the brass, as it has to expand further than it normally would.</p><p></p><p>Work hardening results in splits, but can be remedied with annealing</p><p>Redding recommends no more than 0.007 thou to minimize this work hardening when resizing cartridge necks.</p></blockquote><p></p>
[QUOTE="nheninge, post: 271176, member: 13085"] I think Ackley maybe you have confused some of my cartridge neck and chamber necks d/t some poor writing on my part. Communication is a bitch when you can't read body language etc. I try to be clear, but sometimes it just doesn't come through! Somehow we all seem to be on the same page, with minor differences. If we both agree on the article, then we are on common ground. I rely TOTALLY on my smith to determine sufficient neck clearance. The three basic categories are tight, no-turn, and factory. 0.003 is likely not enough. Maybe a no-turn neck is your happy median trueblue. By finicky I mean exactly what you state. Improper turning (even by a thou) can cause accuracy problems in a tight neck along with dirt etc. Same train of thought. What I mean by turning a neck to 0.012 increases the movement of the brass each time the case is fired in a factory neck. To quote Fred (clearly a better author) ...The downside to removing too much brass during the neck turning operation is to avoid excessive expansion of the case neck when it expands to seal the chamber. This can result in excessive work hardening of the brass, as it has to expand further than it normally would. Work hardening results in splits, but can be remedied with annealing Redding recommends no more than 0.007 thou to minimize this work hardening when resizing cartridge necks. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Need some advice
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