Tactical Bipod Sale,Swingga Tactical Pivot Bipod [Sling Swivel Stud Mount] Ajustable Spring Return [Best Hunting Bipod] For Shooting Airsoft Rifle Gun Sniper Material: Hardened and aluminum; Leg Height: 9" (retracted) 15" (fully extended) Light weight : 400g Durable with new design high quality that you can quickly attaches to sling swivel stud. Features:Ultra light spring loaded folding mechanism bipod; Compact and light weight;Non-rust black anodized finish; Rubber padded on top to protect forend of the rifle gun. Pivot model allows shooter to compensate for ground that is unlevel by up to 20 degrees. A Rail Adapter is required for mounting on a Picatinny / weaver rail.