Sorry figment, you don’t even have a limited knowledge of weapons.
Americans introduced the shotgun into WWI. The Germans declared it a BARBARIC weapon, and summarily executed any American found in possession of it.
Americans responded by killing 3 Germans for every American executed for having a SHOTGUN.
Know your history boy, the shotgun was an AMERICAN WEAPON. It scared the SHIT out of everyone in Europe.
You are about as looney a tune as any I’ve encountered on FR.