Well done sir. If you like your 29 you will love your 28.
About 10 years ago I was looking for a good shooter grade 4". After much looking I picked one up off GB out of a pawn shop in Florida. It was filthy with a slightly tweaked corner on one of the rear sight blade ears. After a good cleaning and a new blade it turned out to be almost perfect with no turn ring. Out of all my bullet lanchers it is my pride and joy. She also came with the nicest set of smooth rosewood targets I've ever had the pleasure of caressing. Alot of people diss the 28 in favor of the 27 but I'll take a working man's gun over a shiney show piece any day of the week.

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CW4 (Ret.)