Cassidy of Bar 20 (1938)

Having her cattle rustled by Allison and his gang, Nora sends for Hoppy. Allison has him and his pals Lucky and Pappy quickly arrested and put on probation without their guns. But when Allison kills Dillon, Hoppy goes into action. He sends Lucky for the Bar 20 hands while he accuses Allison. This incites Allison and he sends his gang who are met by Lucky and the boys resulting in the big shootout.