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RedlandsShooter

Expected Life Span of Carbide Sizing Dies

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Any real life experience out there on how much brass a 9mm Lee carbide undersized-sizing/decapping die will process before it starts to go out of tolerance?  It only sees wet tumbled/lubed brass if that makes a difference.

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There is really no telling. You probably won’t wear the die out. Now the decapping pin you could kill at any moment. Get some spares

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I don't think i have ever had one get out of tolerance, but i have had a 9mm and a 44 mag break the carbide rings.  Kinda like it was either fine or broke

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I doubt you will ever wear the die out.  I run the Lee 9MM U die on a RL1050 and have well over 70K rounds through it so far with no issues.  I wet tumble with SS pins and lube brass as well. 

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Per reading about factory ammo, they get several million rounds through the carbide before replacing.

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