Buywish Tactical Bipod - Tactical/sniper Profile Adjustable Foldable arms with spring tension control, and include Posi-Lock wheel and quick retraction button Handy, accuracy-enhancing accessory for your rifle Durable steel construction includes both Picatinny and swivel stud mounts Posi-Lock, extendable/foldable legs, and dual mounts; rubberized stand Unique function to endure the dynamic force in action. All-weather no-rust black anodized finish