My own preference is for coated bullets, they smoke less and help in avoiding lead contamination on your hands when loading. I haven't had any leading in .38 Special and .45 ACP loads. I have about 1k of FMJs to load for 9x19, when that's done I'm switching to coated RNs until I run out of the Fed 205 primers I'm using. Then I'll start on .357 Mag using BE-86 and 158-grain coated SWCs using Winchester SP primers. I'll be looking to get near-factory velocity with those, about seven grains should do it. Between the 9x19 and .357 Mag coated loads, we'll see how/if the coating holds down leading.
I was into 10mm Auto before it sold out and went mainstream, but these days I'm here for the revolver and epidemiology information.
My GP100 takes a .3585 ZZ- gage pin in all six throats.
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Not another dime.