Colonel Clayborne (Will MacMillan) carries a Colt 1851 Navy in the Colorado whorehouse during the opening scene, even though Anita warns him "No sidearms upstairs".
The Pinkerton detectives Graves (Jim Beaver) and O'Brady (Nick Chinlund) carry Artillery SAA revolvers. Kid Jarrett (James Russo) and Ned (Neil Summers), one of his gang, also carry Artillery SAAs. Some are reproductions with 5" barrels rather than the full 5.5" barrel of genuine Artillery models.
Error creating thumbnail: File missingColt Single Action Army w/ 5.5" barrel known as the "Artillery" model - .45 Long ColtError creating thumbnail: File missingDet. Graves arrests Cody inside the Agua Dulce bank.Error creating thumbnail: File missingNed waves around his Artillery SAA as he cleans it. The cylinder can be seen on the table in front of him.Error creating thumbnail: File missingGuns belonging to the U.S. Army soldiers, including a Winchester Model 1866, Winchester Model 1873, and several Single Action Armys, are seen discarded during the robbery.Error creating thumbnail: File missingNed fires his Artillery SAA during the shootout after the train robbery.Error creating thumbnail: File missingKid Jarrett laughs as he holds his Artillery SAA. He typically carries Quickdraw models but is seen with an Artillery for the final shootout.Error creating thumbnail: File missingAfter Cody ejects a .44-caliber round from her Winchester 1866 "Yellow Boy", she tosses it to Kid Jarrett and tells him to "Pick it up, put it in, die like a man" when facing against her. This is actually not strictly a historical anachronism as a previous user stated. The genuine Winchester Model 1866 "Yellow Boy" repeaters were chambered in .44 Henry rim fire. Only modern reproductions leave the factory chambered in .45 Long Colt (the caliber that the Colt Single Action Army was most commonly chambered for in the Old West) and .44-40 Winchester Center Fire. The Winchester Model 1873 was the first rifle chambered for the .44-40 Center Fire caliber, and it was the second most common chambering for the Colt Single Action Army revolver (which was chambered in a variety of rifle cartridges so the user, if they owned a rifle of the same caliber, would only have to by one type of shell). However, there actually were Colt Single Action Army Revolvers that left the factory chambered in .44 Henry so that owners of the Henry and Winchester "Yellow Boy" rifles could use the same technique that owners of the Winchester '73 and Colt .44-40s could do. The .44 Henry cartridge was also still very popular down in Mexico for a long time, so it is a possibility that this Colt is supposed to be chambered in that caliber. It is also possible (and actually quite simple) to convert a Winchester Model 1866 to fire .44-40 WCF cartridges, though it is less likely that Cody has done this, as .44 Henry rimfire cartridges were still readily available in 1891, and they were still commercially made until the 1930s, so it is likely she would have seen no point in taking the time (or wasting the money) to do this or have a gunsmith do it as it was not necessary at the time to do so.Error creating thumbnail: File missingKid Jarrett's SAA.
Single Action Army Cavalry Model (7.5" barrel)
Gold prospector Joshua McCoy (Dermot Mulroney) carries a Cavalry Single Action Army with a 7.5" barrel.
The Jarrett gang steals a Gatling Gun from the U.S. Army train. After Cody's gang steals it from them, they trade it back for McCoy. Both Cody (Madeleine Stowe) and one of Jarrett's gang fire the Gatling during the shootout. The film treats the Gatling Gun as though it were a newly developed weapon, even though in 1891 (the film's setting) it had been patented for almost thirty years.