Marshals (Season 1, Episode 1-13)

With the Yellowstone Ranch behind him, Kayce Dutton joins an elite unit of U.S. Marshals, combining his skills as a cowboy and Navy SEAL to bring range justice to Montana, where he and his teammates must balance family, duty and the high psychological cost that comes with serving as the last line of defense in the region’s war on violence.

https://imdb.com/title/tt36849871
Creators: Spencer HudnutTaylor Sheridan
Stars: Luke GrimesLogan Marshall-GreenArielle Kebbel
Genre: Action, Drama, Crime, Western