A quick deploying bipod, the legs are spring loaded for tension control so they can be retracted quickly. Bipod legs feature a posi-lock wheel and quick retract button.Spring loaded foldable legs.Extendable legs feature posi-lock wheel and quick retraction button.Dual mounting, can be use it with either picatinny rail or swivel stud.Picatinny mount and swivel stud mount (included).Fits picatinny/weaver style forends rails.Strong and lightweight aluminum construction.Rubberized feet for a more stabilized shooting position.Minimum height: 8''.Maximum height: 11''.Material: Aluminum.Color/Finish: Black/Matte.Applicable Firearm: AR-15, M16 picatinny/weaver style rails.