Beileshi 6" to 9" Spring Adjustable Handy Spring Return Sniper Hunting Tactical Rifle Bipod,adjustable Height Ultra light spring loaded folding mechanism bipod;Compact and light weight;Non-rust black anodized finish;Rubber padded on top to protect forend of gun Adjustable leg length (with 5 settings) with spring return;Quickly attach to or detach from the rifle using existing swivel stud;Legs can be folded forward or backward;Swing-able design for leveling on uneven ground Adjusting tightness of swivel tilt-level for sniper aiming;This bipod does not have swivel top and does not tilt from side to side;Easy sling swivel attachment. A Rail Adapter is required for mounting on a Picatinny / weaver rail. Specifications: Leg Height 6" / 152mm (retracted)  9" / 225 mm (fully extended Light weight : 10ozs Package Includes: 1 x Bipod If you need buy Rifle Bipod Sling Swivel Stud Mount and Picatinny Mount Adapter, Please search:B00YC0ME3A