I had a chance to compare mine to one of the early A model's and there is a big difference in finish and trigger pull. The early trigger is nice but it had some sticky creep to it. The newer B model has no creep in single action mode and double action is very smooth. The finish on the A model appeared to be parkerizing. I am not sure what the finish is on the B model but it looks a lot better. As far as accuracy goes I could not tell any difference.
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