Let us not forget excellent light weight revolvers once made by Colt. Six-shot Agent comes to mind. With current prices for second-hand pre-lock, pre-MIM S&W revolvers certain Colts are now worthy competition for them.
And Taurus also makes a lightweight concealed-hammer 6-shot revolver, the 856CH:
https://www.taurususa.com/firearms/revolvers/856ch/
