This very fine revolver will soon become an heirloom. Having operated on many fine Smiths and thereby reducing their value, I urge you to leave the hammer as is. Now I'm spending your money when I say that the factory might convert it to double action only. When a hammer is bobbed without deleting the single action notch, one can still cock it if he tries hard enough. But, there is no spur left to decock it. I write this not so much for you who probably has known this information for years. Instead I'm sharing with the forum.