In 1973 the 'New Model' Single Six was released, featuring a transfer bar mechanism.
Being a single action, prior to 1973 atleast, the Single Six couldn't be safely used with all six chambers loaded for fear of accidental discharge. The Ruger Single Six was designed as a single action revolver, a novelty in the 1950's with the main single action revolver, the Colt Single Action Army, going out of production before the Second World War. 3.1.2 'New Model' Single Six Convertible.
