The wall thickness gauge Bill Henry made for me (only using a drill press - incredible skill) is shown here
http://www.picturetrail.com/sfx/album/view/24488932
Dennis Potter had one on his table in Vegas made out of copper tubing and it was very light.

I measured a high grade barrel in Vegas that had been eccentrically honed and had a wall thickness of only .017 several inches back from the muzzle.

Last edited by Drew Hause; 02/02/14 04:43 PM.