The LGS I was working at until recently still does it. A few of the current 'hot' S&W models are run on sale, the S&W Sales Rep is there, sometimes with another Rep. as well as a 'smith from the Performance Center. 'Mel' is our guy that always comes from the Performance Center. Been with S&W ~38 years IIRC.
Does simple tune ups on S&W revolvers, replacing simple parts as needed, etc., no charge. There is a large tip jar next to his set-up. The GS owner gives all proceeds to the local Boy Scout Troop, as well as helping them raffle off a donated long gun.

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Ret'd LEO
SWCA #2275