If You Meet Sartana Pray for Your Death (1968)

"The gunman with the deadliest arsenal in the West"

After a stagecoach is robbed and the passengers murdered, a long and tangled series of surprise attacks and murderous double-crosses, leaves the coach's strongbox in the hands of the killer Lasky. It is up to the legendary hero Sartana to track down the missing money and determine just who is ultimately behind the grisly robberies and killings.