When Travis McCain enters The Majestic Saloon at the beginning, he gives his gun up to Newman Hicks. A few seconds later, as he is walking up to Thomas Morgan's table, the gun can be seen in McCain's holster.
In the Majestic , Morgan assembles and loads his shotgun twice.
When the hero is jumped in the desert and has to fight his way free, the hat of one of the outlaws is on, then off, then on, then off.
When Cole Brandt gets ambushed by two of Travis McCain's goons outside of town the one in black repeatedly has his hat on/off between shots.
When Dulce and Travis are in the room making love, whip marks can be seen on Dulce's back. When Dulce (wearing an off-the-shoulder top) falls down in the street after the dynamite explosion, there are no whip marks.
In the opening scene, after the bandit uses the "dead" sheriff as a puppet, you can see the sheriff smile slightly and move his eyes while the bandit spits whiskey at his partner.
The sign above the livery says "horseless carriages repaired". The first automobile arrived in Arizona on December 29 1899 in Tucson.