a good, inexpensive choke is the Primos Tightwad.....I shoot it in my stoeger 3500 and get great results and I'm about to put one in my Winchester 1300. Everyone I know that's tried one loved it. for $20-25, it's worth trying it.
At the advice of my attorney, I issue the following disclaimer:
"This post may or may not be intended as humor and/or sarcasm and does not necessarily reflect the actual views of the poster."