Man from Music Mountain (1943) 

ACTION..IN TRIGGER TIME!

Roy returns home to fine a range feud between the cattlemen and the sheepmen. When his friend is killed he finds the rifle had a defective pin. He learns the rifle belongs to a ranch hand named Barker and that a third party has caused the feud. When he captures outlaws trying to blow up a dam, he claims Barker was the killer. But Barker has switched rifles and the outlaws now accuse Roy and Roy finds himself in trouble.

DETAILS

Roy Rogers Roy Rogers

Trigger Trigger - Roy's Horse

Bob Nolan Bob

Ruth Terry Laramie Winters

Paul Kelly Victor Marsh