The breech balls on grade 2 top lever hammer guns are not sculpted.........that is probably where the confusion lies. Any of the grade 2 lifters I have seen have the sculpted breech balls. I have also seen one listed as a grade 1 with twist bbls with sculpted breech balls. As you can see by the photo, the grade 3 sculpting is a little nicer.
After putting the foil shim in place grease it good and it will proably last a long time. I often time use a layer of clear packing tape on the hook. Clean the hook with a degreaser and apply the packing tape in layers until it is tight. Trim with a razor blade and make sure to grease it and it will last a long time. They are a lot of fun to shoot clays with and hunt with. Load up some black powder loads you will get lots of attention at the club... some of the old tight choked guns are great for the Annie Oakley shoot....I can usually keep up with the guys that have single barrel trap guns.
If the gun is tight, on face and not pitted terribly bad it is certainly a shooter.....looks nice and honest.
Kurt
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