God's Gun
When a brave priest is shot down defending his village from outlaws, his gun-slinging twin brother comes out of the woodwork to exact vengeance.
Starring Lee Van Cleef, Jack Palance, Richard Boone, Sybil Danning, Leif Garrett, Robert Lipton, Cody Palance, Ian Sander, Pnina Rosenblum, Zila Carni
It's a action & adventure and western movie, and has a rating of 4.9 out of 10 from Imdb which is fairly low for this kind of movie.
Watch it here
Not found streaming from Italy.