I recently inherited my grandfather's Winchester 1897 Trench gun. In memoriam of him, I will be restoring the gun and this means taking off the scope mount he installed and finding a period correct heat shield and bayonet lug. There will be two holes on the upper receiver after the mount is removed, so how can I fill these? Will I need to get somebody with a MIG welder and then reblue the gun? What are my options? Here are some pics for everybody, thanks!