I can tell you that barrel length is paramount as far as efficiency with blk powder. One of my customers is a ballistician and we (he) have talked about it extensively. He is big into B.P. handgun hunting (Walker). Metalic cartridges are much more efficient and allow a better outcome with shorter barrels.
Just really depends on what the purpose is. A "Buffalo" Remie will be a better hunter, a Sheriff's Mod. will definitely handle better but not necessarily good for hunting . . .
Mike
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