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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Full Length or Neck Only; What's Best Resizing for Accuracy?
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<blockquote data-quote="tim_w" data-source="post: 1818563" data-attributes="member: 11132"><p>I am speaking about CASE LIFE NOT ACCURACY. Thus again this is referencing from your post on case life, where you made the statement of FL sizef 308 cases lasting 40+ reloads. A number of the members pointed out it takes a FL die that is a close match to the chamber so you are getting min amount of working the brass.</p><p></p><p>I know for a fact you are correct about 40+ loads as I have done it with one of my 308s. But the die was also only changing the fire formed dimensions by just under 0.002 (between (0.0015-0.002). But you seem to constantly coning back to how fl sizing does not neg effect accuracy which is not what we are speaking about.</p><p></p><p>As you say a case is aligned in the chamber by the shoulder cone. Based on this being correct the only reason for different amounts of sizing clearance is feeding/extraction reliability and CASE LIFE. The later is what we are speaking about. As long as you have enough clearance between a sized case and the chamber to feed it relaibily any more than that is just decreasing case life. General brass case snap back or yield point is around 0.0015. more than that and there typically is a change in static dimension.</p></blockquote><p></p>
[QUOTE="tim_w, post: 1818563, member: 11132"] I am speaking about CASE LIFE NOT ACCURACY. Thus again this is referencing from your post on case life, where you made the statement of FL sizef 308 cases lasting 40+ reloads. A number of the members pointed out it takes a FL die that is a close match to the chamber so you are getting min amount of working the brass. I know for a fact you are correct about 40+ loads as I have done it with one of my 308s. But the die was also only changing the fire formed dimensions by just under 0.002 (between (0.0015-0.002). But you seem to constantly coning back to how fl sizing does not neg effect accuracy which is not what we are speaking about. As you say a case is aligned in the chamber by the shoulder cone. Based on this being correct the only reason for different amounts of sizing clearance is feeding/extraction reliability and CASE LIFE. The later is what we are speaking about. As long as you have enough clearance between a sized case and the chamber to feed it relaibily any more than that is just decreasing case life. General brass case snap back or yield point is around 0.0015. more than that and there typically is a change in static dimension. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Full Length or Neck Only; What's Best Resizing for Accuracy?
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