Hello everyone. I'm new to the site (along with being a new Parker owner), but I think my gun may be relevent to this thread as well. I recently purchased a G grade hammer gun, 12 gauge, #1 frame, 45,XXX serial number. I measured the bores and came up with .752 in front of the chambers, and .749 behind the chokes. Minimum wall thickness is .040.
The best I can tell from the examination of the bores is that it doesn't appear to have been reamed out, but most likely polished recently. I'm loading Magtech brass, with 11 gauge wads, so I wasn't too concerned about the larger bore dia. It patterns well with a 3 dram, 1 1/8 oz. load.
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