Wm. Evans 450/400 3 1/4. 10 lbs. 5 oz. 26" bbls.
Dia at breech: 1.165" Muzzle: .605" Wall thickness
at muzzle: .100"

Westley Richards. .425WR 11 lbs. 4 oz. 26" bbls.
Dia at breech: 1.260" Muzzle: .675" .120 Wall at
muzzle.

Do you want black powder rifle info also??

Raff