All of these are 30 minute episodes:

Adventures of Jim Bowie: Deputy Sheriff
Crossroads: Call for Help
Crossword: 1965 gameshow pilot
Crusader: Boy on the Brink 12-14-56
GE Theater: Bitter Choice 4-21-57
Johnny Staccato: Naked Truth9-10-59
Luke and the Tenderfoot: Boston Kid
Rifleman: End of a Young Gun 10-14-58
State Trooper: Buck Fever
State Trooper: Last War Party
Stump the Stars:  1963
Telephone Time: Fight for the Title 3-17-57
Tombstone Territory: Rose of Rio Bravo
Trackdown: Day of Vengeance 11-28-58
Trackdown: Pueblo Kid 4-4-58
Wanted Dead or Alive: Martin Poster

20th Century Fox Hour:  The Gun