Improved cylinder or larger. Actually alot of folks do very well with a skeet gun.
A full choke is the best for waterfowl.It will keep your pattern tight as long as possible due to the distance involved with shooting ducks and geese in flight.
full choke
For hunting ducks, the most commonly used choke is the improved cylinder (IC) or modified choke. These chokes provide a balance between spreading the shot pattern enough to hit a moving target like a duck, while still maintaining enough density for a successful kill. It's important to consider your shooting distance and the type of ducks you are hunting when selecting the choke.
Extra full
One not designed for use with steel shot.
Extra full
modified
depends on the game you are hunting
Improved cylinder will be fine.
Ducking Hunting season is different for different
A quick accurate gun
They can be used for food and hunting for entertainment.