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Mandrel lube

If you apply it once and do a bunch before applying again just makes me think it's gonna size slightly different as the lube wears off, I know it's a small difference but if I think keeping everything consistent matters
Using a Lube like Hornady one shot It's never been a concern. You're probably talking at least five or six zeros before getting to the first 1.

.0000001 isn't even measurable with the tools we're using.
 
Using a Lube like Hornady one shot It's never been a concern. You're probably talking at least five or six zeros before getting to the first 1.

.0000001 isn't even measurable with the tools we're using.
Maybe and maybe not, eliminating any variable would be a step in the right direction as I see it
 
Using a Lube like Hornady one shot It's never been a concern. You're probably talking at least five or six zeros before getting to the first 1.

.0000001 isn't even measurable with the tools we're using.
I was actually referring to guy using imperial on mandrel, if your lubing every case before mandrel equally I would say that's fine
 
Maybe and maybe not, eliminating any variable would be a step in the right direction as I see it
Even a dry lubricant is going to give you that much variation or more.

I've got Reloaders OCS (ROCS) too but I personally like a little something left between the copper and brass. That's why I use the One Shot, it's such a thin coating once it dries I don't know how one could even begin to measure the difference.
 
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