[9mm Lee U die]

You lube the brass? Havent seen any need with the carbide insert in the U die...?
The cases are even wet tumbled, so very clean which would increase the friction and have no problems so far.

I would sheck if you got a wrong die or out of spec. Maybe its a 380?


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[9mm tiny flash port?]

They are getting more and more common in europe, especially with the nontox ammo from S&B but also other brands like RUAG/Geco. The leadfree primers are weaker then normal ones, might optimise the flame...

RUAG/DAG now even goes back to berdan flash holes but with boxer primers. I assume its to keep the pressures low in the primer with the +P+ action 4 duty ammo.

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