Mountain Men: Ultimate Marksman is hosted by trained welder, outdoor enthusiast and three-time "Survivor" contestant Colby Donaldson and World Champion shooter Mark Romano. The eight-part series tests some of the world's top marksmen and markswomen by using centuries-old historical weapons like primitive knives, bows and firearms. Competitors will navigate several distance, precision, and obstacle challenges - each designed and based off of the history of the American frontier. It's a showdown that will put their weapons knowledge, accuracy skills, and unique techniques to the ultimate test with competitors on a mission to earn the title of Ultimate Marksman and win $10,000.