I have done so for three loads. I load over 15k 38 special per year for Bullseye shooting and I have settled in two loads. I have it all memorized like which disk for powder measure, etc. both use AA#2.
I also have my set in stone 45ACP target/plinking load. Same powder as above. I haven't changed these three loads in five years. Before that I was always playing with different powders, etc. I still do that, but these loads never change.
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