Harry,
I use the Cheddite hull
Win. 209 primer
20.5 grains SR-7625
SG-16 wad
1 oz. shot,with 6 fold crimp
1150 fps @ 7400 psi
For 7/8 oz load drop powder down to 19.5 grains
Will give you 1200 fps @ 7400 psi
The 1 oz. load fits better in a 2-9/16" hull, but you can get it into a 2-1/2" hull with a little pressure on the wad.
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