I’ve yet to do such and am working on modifications of my designs for my two revolvers. A fellow who goes by the name Kaido worked with Lee to modify their 255 grn .45 Colt bullet. He and his group of Florida hog hunting buddies typically use a NMA or ROA, though I recall someone using a Walker once as well. The repro version of that bullet weighs 240 grns and if I recall correctly they said they got 30 grns of powder (they use energetic powders as you need to to get those figures, about standard .45 ACP or roughly 400 ft/lbs of energy) with 3F Triple 7 being the only powder I recall reading about.
Here’s a pic of Kaido’s 240 grn and 255 grn bullets flanked by two of my designs, the first being the length of a ball .460” and weighing 195 grns, and the other is my Ruger bullet weighing 285 grns. The first i designed assuming my Pietta would have the slower 1:30” twist that I believe is the culprit of many conical woes we read about. It shoots well. The other I designed for bears thinking we were moving to VA giving me an opportunity to try bear meat.
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There’s a fellow on another forum who dabbles with designs and he’s come up with a HP design along with a spare plunger he has with an epoxied bullet nose face so it doesn’t deform upon loading. It’s actually made me ponder this a bit and my mind went straight to the Flying Ashtray, the father to the Gold Dot. A premium bullet before there was as such a thing. So I figure a wide open cavity on a lead bullet might just do well for any time where over penetration or the desire for more destruction is desired.