The Rogues of Flat Oak (2018) on Netflix

Plot summary

Mance Dixon is a shootist with a wide reputation, and Clabe Sutton is the friend who rides at his side. The pair reaches Flat Oak while the town is marking its semi-centennial, where Mance is to give a shooting exhibition during the celebration. In town they meet a woman who came through an attack by the Tramplers, a vicious vigilante band, and once they are inside the town they promise her their protection. A con artist who passes himself off as a mythologic killer has taken work with a large cattle baron who keeps a band of hired gunmen on his payroll.