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Rifles, Reloading, Optics, Equipment
Reloading
Brass headspace question
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<blockquote data-quote="boomtube" data-source="post: 288606" data-attributes="member: 9215"><p>KRP says it correctly. </p><p> </p><p>Case stretching is mostly an indication that we are over-resizing. Since your case shoulders aren't moving, they are fitted to match your chamber correctly. Neck sizing (especially with Lee's excellant collet sizers) largely prevents that stretching. </p><p> </p><p>The only time you should see any total case length increase - stretching - is after you use your FL die to bump the shoulders back for better chambering. Excessively tight chambering effort IS harmful to best accuracy so the shoulders WILL need to be moved back slightly from time to time.</p></blockquote><p></p>
[QUOTE="boomtube, post: 288606, member: 9215"] KRP says it correctly. Case stretching is mostly an indication that we are over-resizing. Since your case shoulders aren't moving, they are fitted to match your chamber correctly. Neck sizing (especially with Lee's excellant collet sizers) largely prevents that stretching. The only time you should see any total case length increase - stretching - is after you use your FL die to bump the shoulders back for better chambering. Excessively tight chambering effort IS harmful to best accuracy so the shoulders WILL need to be moved back slightly from time to time. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Brass headspace question
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