http://tinyurl.com/kj6ep8q

UTG Tactical OP Bipod - Tactical/Sniper Profile Adjustable Height

Handy, accuracy-enhancing accessory for your rifle with clever dual mounting design

Durable aluminum construction and steel top platform; includes both Picatinny and swivel stud mounts

Foldable arms with spring tension control, and include Posi-Lock wheel and quick retraction button

Includes panning, Posi-Lock, extendable/foldable legs, and dual mounts; rubberized stand; 13.3-ounce weight

Includes limited one-year manufacturer's warranty