I have a 12ga Katahdin turkey barrel and found a Pro hunter forend to fit it.  It uses the old Contender type screws and bosses on the barrel, but the spacing is the same as regular Encore barrels.  When I purchased a 45-70 Katadin barrel I just switched out the screws and made some leather washers out of an old belt and voila...good to go....free floated and all.  It worked so well, I tried the same forend on my 24" .375Win Encore regular taper barrel.  Added another leather washer and ....presto...good to go again.  There is a little extra space around the barrel but you have to look close to even notice.  I had a set of Encore screws(that dang odd size) off another forend and had to space them a little for the Katadin barrel with a couple of small washers under the screw heads.  Remove the washers for the standard barrel and they become the right length there too.
GOOD SHOOTIN',  Walt  
