I've sold quite a few, including a SIG P226, Glock 23, Glock 30, Springfield Champion, HK USP .40, Steyr SPP, Astra A-75, Kel-Tec P11, and a few more I can't recall.
I don't regret selling any of them. I didn't enjoy shooting any of them with the exception of the SPP.
On occasion I have...