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41 Magnum Dies

I received my new Dillon 41 Magnum dies today and with great anticipation set out to start reloading with them on my 550. I noticed there was absolutely no drag as the cases went through my sizing die (except popping the primer). A closer investigation showed the case walls weren't even touching the inside of the sizing die. I checked the inside diameter of the sizing die, and it was .448. All my manuals tell me that my case should come out .434 I contacted Dillon Support phone number, and was told that he would not help me without a customer number.

Huh? It's under warranty. Please email us with your name and address, we'll swap size dies.

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