Everything depends on how you hunt. With real decoyed birds you don't need anything fancy. Improved cylinder with a decent steel load will do. If you are not shooting decoyed birds than get a 10ga with the most expensive shells you can find, but the guy shooting decoyed birds with a 20ga 2shot will kill more birds!!! The gun and the shells are not the answer...knowing how to call and your spread and the location is the answer!JMHO Good luck!