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Thanks gentlemen.

Clay: my load for the 2 1/2 inch chambered Rigby is an ounce of bismuth twos in a 1 1/4 oz Win AA wad over 24 gr WSF, snugly fitted into a shortened Winchester compression formed case, roll-crimped with a vintage tool.

For the recently acquired Jeffery game gun with 2 3/4 chambers I am loading an ounce of bismuth shot in a WinAA 1 1/8 oz wad over 23 gr WSF, star-crimped in the normal way. Hoping that will be under 7000 psi max. That gun is nitro proof but probably only for 3 tons given its age.

Back in the early years of bismuth I used 25gr WSF under 1 1/16 oz of #2 shot in the 1 1/4 wad (2 3/4 case) for ~1300 fps, guessing it to be around 8000 psi. The Cashmore sidelock fowler I used exclusively back then digested that load volume-shooting year after year without a bleat.

When steel shot finally evolved into something useful, I used RC Steel and/or Rio Royal, the latter my all-time favorite, followed by Remington Nitro Steel when Rio became unavailable. ...in the cylinder-choked Greener Empire of course.

The original Rio Royal and Remington Nitro Steel shells were roll-crimped 2 3/4 cases with a fragmenting hard-plastic over-shot wad, 36 and 35 grams respectively. Sadly, both are now star-crimped and have dropped a gram or two of shot to accommodate the crimp.
[Damn: where's the "bawling my eyes out" emoji...?]

Bit of an essay, apologies, really warrants a separate thread.

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Marrakai
When the bull drops, the bullshit stops!
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www.marrakai-adventure.com.au

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