Massacre Time
Le colt cantarono la morte e fu... tempo di massacro (original)
It’s up to a gold prospector and his half-brother to sneak into an outlaw's hideout in Fugitive Valley and win the ultimate showdown.
Starring Franco Nero, George Hilton, Giuseppe Addobbati, Nino Castelnuovo, Linda Sini, Tom Felleghy, Franco Morici, Rina Franchetti, Tchang Yu, Aysanoa Runachagua
It's a action & adventure and western movie, and has a rating of 6.5 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Australia.