After the snake attack, Kern says his jacket is ruined. But soon afterwards, he's wearing it again, and it appears completely undamaged.
The direction Audie Murphy is directed is "North" but shadows make this unlikely if not impossible.
The man shot by Hash (Charles Horvath in the red shirt) had a moustache and was wearing a purple shirt. So, the clean-shaven spokesman, shot by Crip from behind, could not have been Burl Hogan.
In the second confrontation in a log cabin, John Saxon takes an inordinate amount of time to investigate the sudden and unexpected very loud and obvious gunfire (he clearly isn't merely too frightened by it to approach because he doesn't take cover either), and the under fire Audie Murphy makes no (verbal) attempt to summon him for assistance.
When the horse which Audie Murphy is riding is shot down, as Murphy grabs his rifle from the saddle, he inadvertently hits the prone horse in the face with the rifle muzzle.