Gun salesman Christopher Colt arrives in Cottonwood, Arizona, ready to sell his new line of guns, but a young missionary gets on his case for helping contribute to the culture of violence in the west.
Returning a prisoner through the desert, Chris gets overpowered by the man's accomplices and is left to die without a horse or water.
A wanted man Chris is after gets shot down in a saloon after he shoots another man. Three men then try to claim the reward for the criminal. Chris pretends to be the dead man's friend, but things get tense when someone in town recognizes him.
Chris captures the notorious outlaw The Comanche Kid in Granite Gap. The townspeople are bound and determined to hang him, but an elderly woman believes that the Kid is her long-long son.
Chris encounters an apparent tenderfoot who never seems to lose a gunfight.
Chris and a pal go undercover to expose two crooks who are defrauding the government
Chris steps in when a gang of renegades begin terrorizing a small Mexican village.
Planning to go on a hunting trip with a sheriff pal, Chris gets interrupted by a woman who claims she witnessed a murder.
A vengeful youth cons Chris into selling him a gun so that he can hunt down the outlaw who killed his father during a bank robbery.
The only clue for a secessionist conspiracy is a peso bill marked with a black cross.
When a lawman's gal runs off with a gypsy chief it's up to Chris to soothe things over.
Chris and another government agent are assigned to protect an Army payroll shipment from an outlaw gang.
It's Chris Colt to the rescue when Army renegades begin terrorizing a Mexican village.
An outlaw offers to give himself up provided Chris give the $500 reward to his galpal who needs an operation to save her life.
Chris impersonates a notorious robber in order to find out when and where a large robbery is supposed to take place.
Chris goes after outlaws who stole his sample of firearms.
Undercover government agent Chris Colt is wounded during a train robbery. A woman passenger uses a piece of needlework to patch up his bullet-torn jacket and this piece of fabric provides a valuable clue later on.
On the trail of a bandit and his galpal, Chris finds that he has some competition in the girl's father.
Gunfighter Frank Wilson arrives in the town his son is living in. He is challenged to a gunfight at the bar, reluctantly kills the challenger and then collapses. The doctor says it's only a matter of time before Wilson dies. His son, Frank Wilson, Jr., is using an alias as he is ashamed of his father's reputation. Colt tells Frank Jr. of his father's condition and he visits his father just before he dies, bequeathing him his golden gun and a map as to where he hid $50,000 in stolen money. Frank, Jr. is challenged to a gunfight, wins and decides to leave town with his girlfriend. She will not leave if he keeps the $50,000. He enlists Colt's aid to find the money and turns it in to the Marshal, asking him to spread the story that Frank Wilson, Jr. is dead.
Chris and six others take refuge in a desert pass after their stagecoach is attacked by Apaches.