When you throw #9 shot that charge bar will throw just a tad heavy. It is a balancing act for MEC, they need to make it close for several shot sizes so they regulate to #8 shot which is kida the middle of the road. Chilled shot will show a little heavier than magnum shot too.
The baffle will get rid of that washer, and that washer needs to be gotten rid of. It is not a friendly piece.