ive seen a few , 1873 cattleman with the birdshead grip in a 4 3/4 barrel , and i really like the look, i have 2 cattleman now well 4 really 2 caseharden an 2 old west finish, i wonder if there would be a chance if yu could buy just the grips ? and it they would fit my regular cattleman?think its the same grip frame? or iam thinkin they run a different grip frame on them? think i could order a set from somewhere?