Rent Guns of the Magnificent Seven (1969)

When Mexican dictator Diaz's forces capture a passionate young revolutionary (Fernando Rey), the prisoner's chief lieutenant offers a notorious desperado (George Kennedy) a huge reward to break him free and restore hope to the country's citizens. But first, the infamous mercenary will need to gather his team of frontier warriors, which includes the west's most daring gunslingers and demolition experts. Together they'll embark on the adventure of their lives – and discover a cause worth even more than a fortune in gold.