Hi guys, There`s some scratch marks in the bottom of the groves, cutter marks, so made up a new cutter out of cast iron for the rifling head, it just rubs and with a bit of Ajax and some burnt 600grt paper mixed with oil should polish it up. The top of the lands are nice smooth from the rifling head rubbing, but will still have to lap bore out to .450". This is where you don`t rush it., Hombrew.357.
, Cast iron bore polisher.
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