The ejector rod nob appears to be a continued developement of
the nob on the model of 1896, which was slightly larger. So, if
you saw one where the nob was the same diameter as the rod, that
was not factory. Hard to say what you saw.

Generally Mr Jinks does not contribute on the public side of this
forum. Hihs participation is primarily on the S&WCA side.

Mike Priwer