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So, AA28 HS hulls with the line under the HS are longer than the hulls without the line? Not always. I was sorting though my accumulation of
about 1000 AA28 HS hulls and started to notice that some of the hulls w/o the line were longer than some with the line. I ended up sorting them by
length. Turns out 2.625" is a pretty go/no go setting on my calipers.<br>
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All the hulls with line were over 2.625" save the odd ball @
2.615".<br>
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All the hulls w/o line were under 2.625" except for a batch of 75
SuperSports 7 1/2's that were all over 2.670"<br>
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What does it mean? I dunno, I am still loading CF hulls.<br>
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Michael<br>
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It means shell manufacturing isn't precise. The interior of the hull is the issue. Use HS wads for HS hulls. The interior of the HS hulls requires a shorter wad.
 

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The length differential can cause inconsistent crimps. Some sort by size, long in one bucket and short in another, and then adjust the crimp start depending on which bucket they are loading from.
 
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