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The Range
Ammo & Reloading
Reloading .223
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<blockquote data-quote="swampratt" data-source="post: 2833848" data-attributes="member: 15054"><p>I took 17 different head stamp cases in .223 and annealed the necks and sized them then trimmed all to the same length.</p><p>I then deburred the flash hole and necks and cleaned the crimp from primer pockets.</p><p></p><p>I then primed them and weighed each case to see how much difference there was.</p><p>Only 1 case had a hard to seat primer .. all others seated the same.</p><p></p><p>Those 17 cases weighed from 93.7 to 101.4 grains. </p><p></p><p> I loaded them all the same.. and will shoot each one at a dot of it's own on paper at 100 yards and see how close each come to the dot.</p><p></p><p>Neck ID was all the same except 2 cases .001" difference .. and neck OD was as much as .005" difference between cases.</p><p></p><p></p><p>I may find some cases that group well or close to aim point and the ones in left field will not be loaded again.</p><p></p><p>Should be an interesting test.</p><p></p><p>Or may prove nothing.</p><p>All cases except the 2 with .001" more neck ID had the same bullet seating force.</p></blockquote><p></p>
[QUOTE="swampratt, post: 2833848, member: 15054"] I took 17 different head stamp cases in .223 and annealed the necks and sized them then trimmed all to the same length. I then deburred the flash hole and necks and cleaned the crimp from primer pockets. I then primed them and weighed each case to see how much difference there was. Only 1 case had a hard to seat primer .. all others seated the same. Those 17 cases weighed from 93.7 to 101.4 grains. I loaded them all the same.. and will shoot each one at a dot of it's own on paper at 100 yards and see how close each come to the dot. Neck ID was all the same except 2 cases .001" difference .. and neck OD was as much as .005" difference between cases. I may find some cases that group well or close to aim point and the ones in left field will not be loaded again. Should be an interesting test. Or may prove nothing. All cases except the 2 with .001" more neck ID had the same bullet seating force. [/QUOTE]
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Reloading .223
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