Geoffredo Scarciofolo (using the pseudonym "Jeff Cameron") is the famed gunfighter Sartana, who is offered a chance at amnesty from the $12,000 bounty on his head if he wipes out Benny Randal, his brother Baby Face, and an equally nasty sheriff.
Photographed by famed cinematographer Laszlo Kovacs just before embarking on EASY RIDER (1969), Mark of the Gun is a classic western tale of outlaws and the women they love.
Braddock is an influential and highly respected citizen of the town of Two Arrows. He also represents a group of Mexican outlaws led by Valiente. Braddock plans an important robbery with only two young men, Loring and Parker, standing in the way of the bandits.
Cowboy Rick, on his way to visit his sweetheart, encounters a bevy of beautiful Indian maidens and dallies with one of them. Later, when one of the girls is murdered by a passing no-good, the tribe falsely blames Rick and sentences him to die. But Tuwanna, the chief's daughter with whom Rick, um, dallied, has other ideas.
When the multiple murderer Cain is released from prison after 18 years, he wants to settle down as a rancher and never touch a gun again. But his former life haunts him; not only that nobody wants to give him a job, some villains also want to pay him back. So he has to accept the offer of showman Ruffalo to perform as "Killer Cain" in his traveling shooting show. However after 18 years without practice even Ruffalo's young assistant Billy shoots better than Cain.
Maclovio, an infamous gunfighter with only one hand, is hired by a rich lady to kill her daughters boyfriend. Maclovio believes he can live in peace after the job but a mysterious man who claims to have unfinished business with him appears.