Robert Taylor goes out to take care of the horses wearing a gray shirt. Ava Gardner has a checked red shirt and skirt when he leaves. In the next scene Robert Taylor has a red shirt and Ava has a dark gray dress when she comes out to talk to him. This same mix of outfits appears on the two in the various following ranch activity scenes.
When the army rides into the town to liberate it from the bandits there are no advance scouts and the officers are at the front of the column. None of the soldiers has a gun in hand and ready for a possible fight or resistance.
When Jose throws a knife closely past Barton's head, the knife zips past Jose before his arm finishes the throwing motion. This is probably because the knife was either mechanically propelled or thrown by an off-screen expert to make the stunt safer than it would be if the actor had thrown the knife.