The Hair-Trigger Kid by Max Brand

It was not malicious curiosity that brought the crowd. It was the same impulse which draws men together to see a prize fight. There were perhaps fifty people already on the long covered veranda that ran in front of the hotel, supported by narrow wooden pillars, with a row of watering troughs on each side of the steps where a twelve-horse team could be watered at one time without unharnessing them.

"You're gettin' a new brand of trouble here in Dry Creek, sheriff," said an acquaintance.