for a semi, I wouldn't buy a Mossberg unless the price was to good to pass up. I own a 835 as well, it has a 24" barrel, I brought it 11 years ago, never had a problem. I sold the slug barrel, but I use it for turkeys only. Undertaker is a good turkey choke. I'm in the process of upgrading to a better turkey choke from the factory choke, it is between the Indian Creek or the KICKS