First welcome James!
Yes, the levers were always cased colored and usually the rest of the rifle (receiver and barrel) were blued, though a number of rifles left the factory with case colored receivers.
Without a saddle ring your rifle would have been designated a model "H". The purchase of a copy of Murray's "The Ninety-Nine" is a definite asset for someone entering your profession.
One question for you, why would you want to restore a rifle that was in "great shape" and lose all the genuine character of a 95 year old weapon?
