Man from Music Mountain (1943)

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