Still the biggest production revolver currently made, the Smith & Wesson 500 revolver is massive in both its size and .500 S&W chambering.
Normally, 19th century firearm replicas never come close to achieving the value of the originals they emulate. One of the few exceptions is the Single Action Army replicas built by the United States Fire Arms Mfg. Co.
Though largely forgotten and scarce today, the Colt 1871-72 "Open Top" revolvers represented an evolution in design for Colt, and ultimately paved the way for the Colt to transition from the cap-and-ball era to the cartridge era of the Single Action Army.