The Americans used shotguns in WW1. What ammo did they use? Did they use Slugs or Sabot or 'just' buckshot? What were common bullet weights? - Quora

What would a war with only shotguns look like? - Quora

What shotgun shells does the military use? - Quora

What types of shotguns available in the US have the ability to attach a bayonet, other than the WW1 trench shotgun? - Quora

What are the differences between a shotgun and a rifle? Which type of ammunition do both use? - Quora

Was American use of shotguns in the trenches of WW1 objectionable as the Germans claimed? - Quora

The Americans used shotguns in WW1. What ammo did they use? Did they use Slugs or Sabot or 'just' buckshot? What were common bullet weights? - Quora

What is a slug gun? - Quora

Combat shotgun - Wikipedia

What is a slug gun? - Quora

Are there any other instances of a combat shotgun being used in the First and Second World War, other than the Americans in 1918? Was it a practical reason or was it

How many 4-gauge shotguns are there? - Quora

What is the most commonly used projectile in a shotgun? - Quora

What are some military grade shotgun shells? - Quora