Yeah.  I think it is an older one, not sure.  It seems to fit well otherwise.  
The biggest problem is that the spring holder has a little bracket that holds it pointed downward, instead of toward the lever that the spring attaches to.  I would assume this is a K holder, and a F holder would be pointed differently.  I had two choices:  grind off that bracket and point it downward, or go with the banjo that has a switch.  I decided just to go with the banjo, which seems a little cleaner to me.
Aaron