This gun Smith has a good gallery of example images. They clearly work on any type of gun, but I see why it might be a difficult task to do on the thinner metals of an airgun vs the more robust sections of a firearm.
http://www.gunrestoration.co.uk
This gun Smith has a good gallery of example images. They clearly work on any type of gun, but I see why it might be a difficult task to do on the thinner metals of an airgun vs the more robust sections of a firearm.
http://www.gunrestoration.co.uk