For to from gunsmiths I use a plano takedown shot gun case in a cardboard box. Its short enough it doesn't look like a gun.

For shipping where I won't get the box/case back. I use ULine rifle boxes.

The collection of taxes which are not absolutely required, which do not beyond reasonable doubt contribute to public welfare, is only a species of legalized larceny. Under this Republic the rewards of industry belong to those who earn them. Coolidge