David, thank you for the kind words. Here are some dimensions for you.
OAL 9.719" Octagon length 4.469" Round length 4.938" Wedding Band length .312"
Across the flats; at the breech 1.00", at the fore end of the octagon .870
Diameter; at Wedding Band .858", at the Waist .768", at the Muzzle .806"
The flat area of the corner flats behind the wedding band length .938"
Bore .620
Brads barrel scaled by the photo; OAL 8.25", Oct length 3.719", Rnd length 4.312", Wedding band length .219"
Across the flats; at breech .875", fore end of oct .769", wedding band .750", waist .670", and muzzle .725"
Thanks again, Mark