UTG Tactical OP Bipod has high tech durable aluminum construction and steel top platform. It comes with clever dual mounting - picatinny mount and swivel stud mount. It has foldable arms with robust external spring tension control and fully adjustable legs with posi-lock wheel & quick retraction button.FeaturesHigh Tech Durable Aluminum Construction and Steel Top PlatformClever Dual Mounting - Picatinny Mount and Swivel Stud MountFoldable Arms with Robust External Spring Tension ControlFully Adjustable Legs with Posi-lock Wheel & Quick Retraction Button