My usual target load store bought is a Fed 1oz 2 3/4dram. If I load my own, its the same. My usual pheasant load is a Fed 1 1/8oz 3 dram or equivalent hand loaded. This is through a 7 1/2lb 1911 GHE with original thickness damascus barrels on a 2 frame. Everyone has their own loads.
A 7 1/2 lb 30" 12ga was usually patterned by Parker using 1 1/8 of no. 7 shot driven by 3 drams of "wood" ( a nitro brand) powder , unless yours was built originally for black powder. In that case, maybe somebody else can tell you how the usual hang tag for that period would read.
Unusually shiny bores on an old gun can be an indicator that the barrels were recently honed to fluff up for selling. You might want to know your barrel wall thickness.
Some use only RST's, others hand load only and everybody is convinced in the correctness of their choice.
Bruce Day, Parker know-nothing
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