Quel maledetto giorno della resa dei conti
Starring George Eastman, Ty Hardin, Guido Lollobrigida, Bruno Corazzari, Nello Pazzafini, Laura Troschel, Federico Boido, Roberto Dell'Acqua, Dominic Barto, Lucia Catullo
It's a western movie, and has a rating of 6.1 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.