Goofs

When Chris and Noah go after Shelly, Chris goes back and forth between wearing a coat and not wearing a coat, and Noah goes back and forth between wearing a vest and not wearing a vest.

In the final shootout in town, Chris shoots the bandit chief off his horse. The bandit chief is blown backwards off his horse, but Chris is shown on his left hand side, ninety degrees from the way the bandit is blown off his horse.

In many of the shootouts you can see the packaging from the blood packs pop through the actors' shirts as they get shot.

About 44 minutes in, when Chris and Forbes are riding to get help, a high tension electrical tower is visible in the background.

When De Toro's woman is brought back, and a meal is served, the pie is served from an aluminium pie pan. This wasn't invented yet.

The Winchester 1885 in 30-40 is not a repeating rifle but a falling block single shot rifle that loads and fires one shot at a time. The movie showed lever action Winchester's with saddle rings on the side.

The movie takes place in Mexico, but throughout the movie, Joshua trees are shown in the background as well as the main scene. Joshua trees are indigenous to the Mojave desert areas of California, Nevada and Arizona only, there are none in Mexico.