Here's the data for both of the barrels on the GH, serial #78,649. Indeed, they are struck light!
RIGHT BARREL
Bore .740
Wall thickness from breech (minimum and maximum)
3" .069-.079
6" .029-.039
9" .022-.033
12" .021-.031
15" .022-.031
18" .023-.030
21" .023-.024
24" .024-.028
27" Inside choke
LEFT BARREL
Bore .738
Wall thickness from breech (minimum and maximum)
3" .072-.073
6" .033-.037
9" .028-.029
12" .026-.029
15" .023-.032
18" .026-.027
21" .026-.028
24" .026-.028
27" Inside choke
The thinnest areas on both barrels are on the lower sides.
The gun has original 2 5/8" chokes and forcing comes. Also, the chokes are original at .038 and .042. I do not believe the bores have been honed but certainly may have been polished. My other two one frames from 1900 and 1905 measure .736 and .737 and I am certain they are as made. This gun is from 1893. Currently the barrels are finished in a glossy brown that almost completely hides the damascus pattern. I'm going to have them properly finished, very gently.
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