Rio Grande Ranger

Having fled to Mexico from the U.S. many years ago for killing his father's murderer, Martin Brady travels to Texas to broker an arms deal for his Mexican boss, strongman Governor Cipriano Castro. Brady breaks a leg and while recuperating in Texas the gun shipment is stolen. Complicating matters further the wife of local army major Colton has designs on him, and the local Texas Ranger captain makes him a generous offer to come back to the states and join his outfit. After killing a man in self-defense, Brady slips back over the border and confronts Castro who is not only unhappy that Brady has lost his gun shipment but is about to join forces with Colton to battle the local raiding Apache Indians.

The Texas Rangers send Dave and Chito into the badlands to see if they can locate a counterfeiting operation. They arrive posing as wanted outlaws and this gets them into the gang. But as soon as they uncover the operation and locate the printing press, one of Chito's girl friends arrives to expose their identity and they find themselves trapped by the entire gang.

An undercover Texas Ranger runs into trouble when he learns that the murderer he's trailing has a twin brother.

With thousands of cattle being rustled from White Sage ranch the 1930's Texas Rangers are called in. They manage to get one of their agents into the gang by making them think he is the Pecos Kid on the lam.

Ten years after the Civil War has ended, the Governor of Texas asks Leander McNelly to form a company of Rangers to help uphold the law along the Mexican border. With a few veterans of the war, most of the recruits are young men who have little or no experience with guns or policing crime.

A man searching for a stolen army payroll is joined by several men after the reward money.

Someone has been stealing ore from a valuable smelting mine. One of the independent mine-owners victimized by the crooks is pretty Joan Manning, making the Rangers' mission a bit more pleasant.

In this western, fake settlers make themselves at home on an ex-ranger's ranch and drive him away. A shady newspaper publisher and a gambler then conspire to take over the land. Fortunately, another ranger endeavors to help his pal. Enlisting the aide of his fellow rangers, they get oust the homesteaders. The publisher and the gambler shoot each other and the retired ranger gets his ranch back.

Cal Stanley goes undercover as a beef buyer in order to catch the gang responsible for stealing the area's cattle.

Two down-on-their-luck former outlaws volunteer to be Texas Rangers and find themselves assigned to bring in an old friend, now a notorious outlaw.

To prevent a lynching, Ranger Tim lets two outlaws go saying he will get them later. This gets him kicked out of the Rangers and he goes across the border and joins Big George's gang who are running contraband. But the outlaw Jimmy overhears Tim tell his sister that the dismissal was a fake. Big George and his gang then go after Tim and trap him in a cabin.