Features This is a rifle bipod Built with high strength tension screw and has deep enough threads to hold tension. Legs have 5 notches. You can extend and lock the bipod legs with Posi-lock wheel and quick retraction button. Posi-lock: Unique safety design to guarantee that the position of the folding arm is fully locked. Foldable Arm: Bipod arm can be folded up for easy carry and storage. Rubber Feet : Specially Rubber stand increases the friction between the stands and the surface they contact with for a more stabilized position. Easy sling attachment. Coming with sling swivel mount:Made of Aluminum and black matte,universal match any bipod,lightweight at only 0.6 ounces Coming with the Picatinny adapter, can fit onto a Picatinny rail. Specifications Material: Hardened steel and aluminum Stand: Rubber Stand Color: Black Leg height: 6 to 9 inches Light weight : 10ozsColor: Black Fits 20mm Picatinny /Weaver Rails Package Included: 1x Bipod 1x Keymod Adapters