Ledsniper&reg;6" to 9" Adjustable Sniper Hunting Rifle B-ipod with R-ail Adapter Made of hardened steel and aluminum.Non-rust black anodized finish Adjustable leg length (with 5 settings) with spring return.Legs can be folded forward or backward. Rubber padded on top to protect forend of gun Leg Height 6" / 152mm (retracted)  9" / 225 mm (fully extended Bipod Sling Swivel Adapter with Weaver Picatinny Rail Mount 20mm, designed for picatinny weaver style ring and easily to attach laser sight or flashlight.