Based on "Tales of the Texas Rangers," a western adventure old-time radio drama that aired on the NBC radio network from 1950-1952, starring Joal McCrea and directed by Stacey Keach, Sr. The series was adapted for television and aired in the late 1950's, starring Willard Parker.

The Game of Texas Rangers

There’s no date anywhere on the game but it looks to be from the late 50’s to early 60’s.  The game is marked:  E.E. Fairchild Corporation, Rochester 2, N.Y., U.S.A.
The game includes:
Game Board
6 Texas Ranger Playing Pieces (3 blue and 3 yellow)
6 Bandit Playing Pieces (3 green and 3 red)
6 Loot Pieces (white cardboard disks)
18 Message Cards
1 Die

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Evidently the two versions played identically and it isn't clear which came first.