Originally Posted by
chaded
Get a bellm 1x oversized hinge pin and it should help with that play with the barrel. Make sure you thimbles are tight too as I have heard they can loosen up and cause your groups to open up as well. I'm not an Encore expert but these are just a couple things that I know of that may be a problem. I have the 1x hinge pin and it tightened everything up for me.
It is typical of the Encore to shoot better with a +1 when its broken in and from the sound of your description your may need a bit more.
You might even need to ream the hole and go to an oversize pin if it has worn out of round.
I recommend you go to
http://www.bellmtcs.com/store/
And read up on it, if you are not mechanically inclined you might want to contact him for consultation.
I have a Encore Endeavor I put his trigger hammer and lock kit in it and after it was broken in for a while I put a +1 in it it shoot minute of angle with 4 load I could probably find more but don't feel the need.