The Shadow Riders(1982)

After starring in "The Sacketts", Tom Selleck and Sam Elliott team up again but this time as Mac and Dal Traven, in a movie based on a classic Louis L'Amour novel. They are brothers, who meet up at the end of the Civil War fighting on opposite sides. They go home only to find their family in dire need and their sisters and brother kidnapped by ruthless raiders. They set out to rescue their family.