Moose, I have the 870 compact jr 20ga and it will serve your purpose well. Remington made an exclusive model just for gander mtn and it has a wood 12" LOP stock and 18" barrel and removable choke. I bought one about a month ago and it has functioned perfect. Here is the link to the product.
http://www.gandermountain.com/modper...2&merchID=4006