BARSKA Spring Loaded Bipod Hunting range gear bipods Versatile top of the line Another quality product Spring loaded extendable/foldable legs, featuring Posi-lock wheel and quick retraction button Dual mounting ability so bipod can be used with either picatinny rail or swivel stud Picatinny mount and swivel stud mount (included) will fit picatinny/weaver style forend rails Strong and lightweight aluminum construction with rubberized feet for a more stabilized shooting position Minimum height: 8 Inches, Maximum height: 11 Inches