Shooters use single action revolvers, pistol caliber lever action rifles, and shotguns circa 1860 to 1898. Weapons can be chambered in any caliber that was used in the Old West, from .32 to .45. Some shooters use authentic weapons but most use modern reproductions.And the article mentions that Cowboy Action Shooting is becoming a very popular shooting sport.
Matches are scored based on elapsed shooting time and penalty points for missed targets, procedural violations and minor safety infractions.
According to the Single Action Shooting Society, cowboy action shooting is the fastest growing shooting sport in the world, and currently there are more than 60,000 participants worldwide. The Powder Creek Cowboys have about 50 members and the group is one of six SASS-affiliated clubs in Kansas, there are also six in Missouri.The article did list web sites for both the local chapter (Powder Creek Cowboys) and the national organization, as well as the address of the range. On the whole, a very positive articel. [Hat tip KABA]
Outside the United States, there are clubs in Canada, Australia, the United Kingdom, Germany, Spain, Austria, Switzerland, Finland, the Czech Republic and the Netherlands.