Design for M-LOK rail, can be attached to the rail directly
Durable Aluminum Construction with rubber feet
Adjustable height with spring tension,5 different heights from 6.5 inches (165mm)to 9 inches(225mm)
Bipod legs can be folding forwards and backwards, locking into 5 positions through a 180 degree arc 

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 Choice : Black /Tan
Leg height: 6.5 to 9 inches
Light weight : 10ozs

Package Included:
1x Bipod
1 x Allen Key