Ive got a newer model Win. model 1400 in 12ga. It has a 2.75" chamber. Can this barrel be reamed out to use 3". Also will the action handle cycling 3" if it was originally chambered as a 2.75"? Here is a link, though may not be of much help, to the type of shotgun I am referring to.
http://www.gunbroker.com/Auction/ViewItem.aspx?Item=461143923
http://www.gunbroker.com/Auction/ViewItem.aspx?Item=461143923