Tactical Adjustable Picatinny Hunting Sniper Rifle Bipod w/Mount Handy, accuracy-enhancing accessory for your rifle with mounting design Durable aluminum construction Foldable arms, and include Posi-Lock wheel and quick retraction button Includes Posi-Lock, extendable/foldable legs, and mount, rubberized stand; It fits Picatinny and Weaver Rail