The 45 ACP Lee powder through die I had didn't have enough taper to flare the case before it hit a "ridge" or "step" in the expander. Solution? Flaring die from RCBS...
Hint; don't worry about case life shortening by "over flaring" now. Use as much as necessary to seat your bullets straight. 45 ACP brass is readily available and cheap so if you lose 5 or 8 reloadings to split mouths, no big deal. Get good shootable ammo now, and sweat the small stuff later...
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My Anchor is holding fast!
I've learned how to stand on my own two knees...
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