Marrakai, I would love to admit to bold ecccentricity and have a closer look at the 20-bore/.577 Express!!! Can you tell me about it? I have heard of it a few times but know nothing much of it's specifics. Put away a few buffs with it? I bet!

Truth be told, I don't really have a clue what cartridge to build, there are too many choices! I gotta be able to get or easily make brass for it, dies and a chamber reamer etc, it's gotta fit down the load ramp of the martini and not be too high a pressure for the action...and it's gotta have enough ergots to take down a buff! That's still a long list!

I do like that .375 Flanged though...