Vision Music Incorporated has unveiled the European Film Market sales trailer.
The film stars Snipes as gunman Aman, the son of a nun who broke her vows to god to keep him safe.
Her crime leaves her son cursed to be haunted by the men he kills, which sees a gang of murders raised from the grave as undead cowboys.
Snipes was recently revealed to have tried to strangle director David Goyer on the set of 2004's Blade Trinity.
Gallowwalkers was written and directed by Andrew Goth and Joanne Ray.