Red Devon/Black Angus yearling bulls for sale. Add feed conversion, docility, moderate frame to your grass fed herd. Raised at 5000' elevation, born April 2017, 100% grass fed, these young bulls are weaned, vaccinated, and ready to start working in your small or large grass fed herd. Gourmet Grass Fed Beef! email@example.com, 406-451-6900 mobile. Harrison, MT.