Size it with the 32/20 sizer. The 32/20 cases are too thin to be sized enough by the 30 Carbine die. I suppose you could get some type of sizing die with bushings that can be ordered to fit.I bought some .32-20 brass to use, but my carbine die won't size it down enough to hold .30 cal bullets! Not sure how to proceed. Fortunately, I do have a good supply of 30 carbine brass. Loaded to .32-20 Rifle spec. they make a good load.
edit: I do not remember which expander plug, if any, I used.
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