The following guns were used in the film:
File:OUTIWcover.jpg Once Upon a Time in the West (1968)
Seen in the hands of Harmonic (Charles Bronson ), Frank (Henry Fonda ), and Cheyenne (Jason Robards ) are Colt Single Action Army revolvers in various barrel lengths and finishes.
Error creating thumbnail: File missing Colt Single Action Army w/ 7.5" barrel. (Used by Henry Fonda and Charles Bronson in film, with nickel finish.) Error creating thumbnail: File missing Colt Single Action Army w/ 5" barrel. (Used by Jason Robards in film, with blued finish.) Error creating thumbnail: File missing Frank uses his nickel 7" Cavalary model Single Action Army to murder a young boy in cold blood. Error creating thumbnail: File missing Cheyenne rolls his blued 5" Artillary SAA to Harmonica, who declines his challenge. File:OUTIWSAA-3.jpg A man in the bar shoots Cheyenne's wrist restaints with a blued Cavalary SAA. Error creating thumbnail: File missing Frank points his SAA at at Harmonica when he attempts to sneek on the train. Error creating thumbnail: File missing A thug on the train searches for Cheyenne with a 5" SAA. Error creating thumbnail: File missing Frank fires his SAA in the town. Error creating thumbnail: File missing Frank holding his SAA during the showdown with Harmonica. Stoney (Woody Strode ) uses a sawed down [[Winchester Model 1892) rifle, nicknamed "Mare's Leg" as his weapon of choice. The gun has a trigger pin attached to the lever for rapid fire, meaning he uses it more as a quick draw gun than for accuracy.
Error creating thumbnail: File missing Sawed-off Winchester '92 pistol "MAre's Leg" - .44-40. Error creating thumbnail: File missing Stoney checks the chamber on "Mare's Leg". Error creating thumbnail: File missing Stoney loads up his Winchester '92 pistol. Aside from Stoney's pistol version, several thugs and assassin's throughout the film are armed with Winchester 1892 Saddle Ring Carbines .
Error creating thumbnail: File missing Wincheser 1892 Saddle Ring Carbine. Error creating thumbnail: File missing Two assassins ready their Winchester 1892 Saddle Ring Carbine rifles to face Harmonica. Error creating thumbnail: File missing Cheyenne with a '92 Carbine in hand. Error creating thumbnail: File missing An assassin armed with a '92 Carbine. Error creating thumbnail: File missing The same assassin takes aim through a hole in the billborad with his '92 carbine. (the hole keeps changing location throughout the scene. Error creating thumbnail: File missing A '92 carbine lays on the ground near the train wreckage as Frank investigates. Double Barreled Black-Powder Shotgun The father is seen using a Double Barrel shotgun to shoot quail with his son. It is noted as a black powder shotgun based on the ram rod positioned under the barrel. Jill McBain (Claudia Cardinale ) is also seen using the Side-by-side black-powder, and uses it to fire a shot a torch wielding assassin in the dark.
Error creating thumbnail: File missing 12 gauge Stevens 1878 with exposed hammers. This model is a cartridge firing gun, the model in the film is a percussion muzzle loader. Error creating thumbnail: File missing The father takes aim at some quail with the shotgun. Note underslung ram-rod. Error creating thumbnail: File missing Jill fires the shotgun into the dark. Note how both the percussion cap and the muzzle are shown fired. Error creating thumbnail: File missing The shotgun mounted on Jill's wall. 
