In Chapter: 13, the Scarlet Horseman is shown entering the saloon twice during the gun fight.
In Chapter: 7, when Kirk Noris (Peter Cookson) almost gets killed by a stampede of Indian's horses, someone shots one of the Indians and he falls to the ground next to Kirk. Who shot him? Nobody is around to shot the Indian.
In Chapter: 13, Pecos tried to shot his Blunderbuss gun twice. Blunderbuss only shot once and then have to be reloaded.