Quietly operates with rubber straps, No noisy velcro or clips to alert gameThick plate & cast steel brackets mount rack solid & securelyRubber straps with multiple settings secure jaws quickly, easily, and QUIETLY around gunTough but soft rubber jaw grips conform to gun stock & barrel holding firearm securely in place without marring surfacesGlass filled nylon housingCast aluminum support bracket for added supportAdjustable Telescoping arms with tightening bolt fit wide rage of vehicles