With the cases I got about 1 in 4 were so heavily crimped that trying to put them through the expander die (Lee) only crushed the case mouth. Many others were crimped so heavily that they needed to be expanded then sized then expanded and sized again! If I were forced to guess, I'd guess that these were some of the over pressure Chinese LC-52 marked ammo that has been demilled.
They were a mess to deal with, although after much work they are ready to load.
Abe
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If everyone thought like me, I'd be a damn fool to think any different!
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