Check the listing for details. Adjustable Mlok Bipod Side Rail Direct Attach Folding Rifle 6.5''-9''Black Bipod. Condition: New. Listed at 27.99 USD. Features Design for M-lok rail, the bipod can be attached to the rail directly. Legs that move independently and can be deployed in a 45 degree position either forwards or backwards, in the traditional 90 degree position, and facing directly to the front or back, locking securely into 5 positions through a 180 degree arc. Extendable Legs: Length of both legs can be adjusted for best position.5 different heights,and the height range is from 6.5in to 9in. Foldable Arm: Bipod arm can be folded up for easy carry and storage. Installation Step 1.Adjust the screw to the suitable position 2.Put it into the rail 3.Tighten the screw Specifications Material: Hardened steel and aluminum Color: Black Leg height: 6.5 to 9 inches Light weight : 10ozs Package Included: 1x Bipod 1 x Allen Key