Used 2017 KEYSTONE MONTANA HIGH COUNTRY 378RD for sale. 40 feet, 4 slide outs, 50 amp electrical service, Residential, In great shape, like brand new, except it needs new window shades all around. Flush mounted LED interior lights, power vent fan with rain sensor in the kitchen, TV in the living room and bedroom, queen bed (but a king will fit), quilted headboard, huge closet and storage under the bed, kitchen hutch with wine rack, electric awning with LED strip, double axel, and tons of undercarriage storage.