Barska Spring Loaded Adjustable Bipod Standard Black. The Barska Spring Loaded Adjustable Bipod features a Posi-lock wheel and a quick retract button. Barska Spring Loaded Adjustable/Foldable Bipods have foldable bipod legs with a minimum height of 8" and maximum height of 11" and include swivel stud and picatinny mount adaptor. Specifications for Barska Spring Loaded Adjustable Bipod: Adjustable Height: 8"-11" Material: Aluminum Weight: .9 lbs Color/Finish: Black/Matte Features of Barska Spring Loaded Foldable Bipod: 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 Package Contents: Barska Spring Loaded Adjustable/Foldable Bipod Barska AW11896: Spring Loaded Adjustable Bipod Standard Black