how could they run out of ammo?
I can understand Hatfield not carrying many bullets, even though his reason for going at all was to protect Mrs. Mallory.
And I can understand Gatewood, Peacock and Doc Boone not being armed at all.
But Ringo was planning on shooting it out with the Plummers -- why didn't he carry more ammo? And what about Curley? When he decided to ride shotgun with Buck, why didn't he load up on ammo and make sure Buck was well-armed?
It just doesn't seem realistic that they would travel INTO an area filled with hostile Indians and only have maybe 50 rounds of ammo between them.