Hero Games has released an old west supplement for the 6th edition of the HERO system. The updated Western Hero: Rough and Ready Roleplaying contains all you need to adventure in the untamed west. The 276 page book is available in softcover, with PDF, at DriveThruRPG for $30.00 or grab the PDF alone for $15.00.
About the book:
Six shooters, wild wranglers, evil outlaws, noble braves, railroad heists, dry gulches, gold rushes, and more: all at your fingertips and ready to go! If you’ve been wanting to play a Wild West campaign, then you’ve come to the right place, pardner.
Western Hero contains everything you need to have a rough and ready roleplaying experience. Packed with resources, information, and tools to build characters, create scenarios, and run a game using the Hero System 6th Edition, you can get your Cowboy On from character creation to combat and beyond, with a full campaign setting to get you started. Designed for play between the first Pony Express in 1860 until 1901 when Butch Cassidy and the Sundance Kid were finally killed, this book covers the whole range of Western frontier games for players and GMs alike.
So come off the range, tie your horse to the hitching post, saunter through the batwing doors, and order a round of rough and ready fun with Western Hero!