Parkerized, blued, brushed stainless, ultimate stainless, nickel plated, two-tone, lightweight, 3", 3-1/2", 4", 4-1/4", 5", fixed sights, adjustable sights, standard model, enhanced/Gold Cup, 45acp, 10mm 9mm, 38 Super........yeah. I can't think of any reason someone may want more than one 1911...