“Gunman!”
by L. Ron Hubbard
Publication date: February 1949
Original publication: Famous Western
Genre: Western
Story description: On the assumption that the Wild West has changed enough to warrant the firing of the sharpshooting marshal, Brazos Kincaid has three days to prove his worth and keep his job.
Currently available as part of the Stories from the Golden Age series, in the title Shadows from Boot Hill.