Originally Posted by Green Frog

Of the three models mentioned, the Model 66 (which is a stainless Model 19) is the one that was developed as the purpose built design for uniform duty carry. The Model 60 (which is a stainless Model 36) is called the Chiefs Special because it was designed for easier carry (and concealment) in plain clothes situations. OP, what kind of carry are you planning for?

Froggie