My Speer #9....
Speer number 9 had a special section for Thompson Center Contenders and Blackhawks. The .45 isn't a high pressure cartridge. That's not definitive but it gives a hint. My old Sierra book has .38 special loads that were a grain higher than other books. Raucous, but the key was 'Strong Modern Handgun'.
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"He was kinda funny lookin'"
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