For Sale: 2015 Keystone Outback 316rl Travel Trailers / Uxbridge, Ma 2015 Keystone Rv Outback 316rl The Outback Takes Comfort And Style To A Whole New Level. Vaulted Ceilings And Upgraded Furniture Provide A Roominess And Sophistication Unseen In Other Light Weight Trailers. The Combination Of Solid Ash Interior Doors With Walnut And Hazelnut Cabinetry Delivers The Styling That Campers Have Come To Expect From Outback. See For Yourself How The Outback Can Make Camping Better Than It Has Ever Been.