A firearm steady rest includes a tree stand unit and a universal steady rest unit. The tree stand unit has a tubular stand mount and U-bolts to secure the tree stand unit to a tree stand. A bottom slide is slidably received within the tubular stand mount while a tubular rest mount is pivotally connected to the bottom slide. A stand clamp secures the bottom slide within the tubular stand mount while a rest clamp secures the universal steady rest unit within the tubular rest mount. The universal steady rest unit includes a steady mount having a circular post region proportioned to rotate within the tubular rest mount. A steady rest is pivotally coupled to the steady mount via a pivot plate. A tubular extension member may also be included. The firearm steady rest may fold into a bundle measuring less than 4 inches by 4 inches by 28 inches.