Shotguns were used in WW1- trench guns if I am not mistaken
they were and that’s what made this ruling weird... perhaps it was a miller dissenting view...
this ruling twists the truth and should be overturned, but these days are crazy loco...
t
Shotguns have been used in every armed conflict since their inception.
1897 Winchester Trench Gun
A pump shotgun with a bayonet lug.
http://www.guns.com/2013/02/26/1897-winchester-trench-gun/