This is the UTG Over Bore Bipod. Quick Detachable Picatinny Base Designed to Mount onto the Top or Bottom Picatinny Rail of Handguards. Wide Open Angle Improves Stability. Matte Black Anodized Aircraft Aluminum Construction with Reinforced Steel Components. 3 Position Folding Legs Equipped with Rubberized Foot Pads. Lockable and Height Adjustable Legs Providing a Center Height from 7"-11". 22 degree Panning and 44 degree Tension Adjustable Left and Right Tilt. Posi-lock Push Buttons Feature a Large Surface Area for Easier Use while Wearing Gloves.