yeah, I too always wondered as the explaining of the serial numbering versus RENE chart says later???? not "specifically : 6 1/2 inch barrel,more about the grooves in the barrels, my English teacher Mrs Ward would have a field day with that one........just the early boxes , being the shorter barrel ones had NO catalog number, and 44 flatops had the longer box..........cleanup in aisle #3............
another reason I miss the 'late' Mr Bob Campbell...........