Tim,
thanks !!! so much for the useful answers and added info
I do have a project under way and have found that using arkansas type flat stones works quite well to maintain flats and seems to match about a 400-500 3m wet/dry finish
my main interest is custom target lugers that will be obvious not originals
I suspect some sort of tumbling for some parts would work if not done too long - esp for the irregular shaped parts , then dress with stone or paper , protect tolerance surfaces with tape in the tumbler
Ive used the brownells rust blue many years ago on a simple case browning hipower and that was quite easy to do
this is sculpture in metal which seems to be a good hobby to me
I suspect a henrob type torch and low heat would allow filling pits and then dress them down with stone - havent tried that yet
just dont do the chemical stuff in closed spaces
thanks
Bill
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