[Pawel Janusz]

Originally Posted by Drew Hause

Part 1
https://www.youtube.com/watch?v=1jQZn4kohH4

Part 2
https://www.youtube.com/watch?v=sfBP7a0TbjM


Henry gauge that I will have in Vegas





The barrels are secured to a weighted box (in which I carry the gauge and a bore gauge) with bungie cords



I affixed a tape measure so the rule is not needed

simple the best, I made one my self, but standing vertical this way force of gravity don't influence arm and then gauge