I have a mirror polished barrel and 5X Full Hastings(I think) chokeon my 500. And I win lots of turkey shoots

Go to Brownells.com and look at chokes.

I traded my 500 for an 835 last year but after using it for a season I traded it back to the guy. My 500 shoots better then the 835 even with the extra 1/2 of shell and shot[:'(]