| Antonio Casas |
Mister Barnes |
12 Gauge Double Barreled Shotgun |
With exposed hammers |
| Cris Huerta |
James Williams/Bad Jim |
Single Action Army |
"Artillery" model, "Quick-Draw" model; both with hard rubber grips; dual-wielded in some scenes |
| Giuliano Gemma |
Monty Mulligan |
Remington Double Derringer |
With nickel-plated finish and pearl grips |
| Giuliano Gemma |
Monty Mulligan |
Colt Buntline Special |
"Artillery" model with iron grip frames and hard rubber grips; with wooden grips in some scenes |
| Giuliano Gemma |
Monty Mulligan |
Röhm RG-63 |
Anachronistic; with white plastic grips |
| Giuliano Gemma |
Monty Mulligan |
Colt Single Action Army |
"Artillery" model with iron grip frames and hard rubber grips; with wooden grips in some scenes |