Would these happen to be part number 4205 by any chance? Looking through my Lyman 49th they have that part number listed for a Speer 146jhp and the picture looks exactly like these. No cannelures and all. Unfortunately there isn't any part numbers on my box of them, and I'd be a bit surprised that this would indeed be the correct ones.

Loads for 38 special are unique 4.3-5.1 (5.4 +p), and herco 5.0-5.2. No bullseye. 357 is BE 5.7-7.5 and unique 6.3-8.1. Some pretty big spreads there.

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Jim