Artillery Barrel Specs???

[sheepherder]

Originally Posted by Rick W.

I did not have anything to measure the overall length of this arty barrel, but my foot ruler said 8 7/8", ie the nominal 200mm that we hear about for most artillery barrels.

I hope that is just a typo...200mm is 7 7/8"...

Are you adding on an extra inch for the threaded portion + part that butts against the [barrel extension/slide/receiver - choose one, the name for that piece seems ambiguous)???...