El Brazo de Oro(1979)

Timothy Leach moves in to an abandoned farm house with his wife. On the way a man befriends Timothy with the intention to pass Marlene to him (A golden arm brace that gives who ever wears it dead eye shooting accuracy). A group of bandits notice them and see them as easy prey. they rob them of goods and supplies. on another trip the bandits seeing Mrs. Leach all alone assault her. as she lays on the ground the man who befriended Timothy strangles her. when Timothy arrives he blames the bandits and gives him Marlene and hands him a gun he is reluctant as he has never shot a gun before, but soon discovers it possesses incredible powers which uses nerves impulses to hit the target every time. Timothy is afraid but he also wants to avenge the life of his wife. even if he has to take them all on.