Jim Taylor
When Winchester quit making them ...
Saturday, January 10, 2026, 15:45

the man who designed them went to work for IDEAL. They produced the #3 Tool (for use with rimmed cartridges) the #4 Tool ( rimmed cartridges but with an attached
bullet mold), the #6 Tool (rimless cartridges with an attached bullet mold) and the #10 Tool(rimless cartridges).

Eventually the bullet mold on the tool was dropped and they made just the #3 and the #10. When Lyman took over the old Ideal company they redesigned the tool so it could be used for either rimmed or rimless cartridges. Thus the "310" too.


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