Rifle Bipod Quick Detach Mount 6.5-9" Adjustable Fit 20mm Picatinny RailSpecifications Color: Black Weight: 13oz. 362g Adjustable Leg Lengths: 6. 5 9 inch Material: Aluminum Fits 20mm Rail QD Mount Features Full Pan & Tilt Features Quick disassembly head can not only be quickly disassembled, but also can swing. Not only can have independent movement of the legs, and can be 45 degrees ahead or backward position, in the traditional 90 degree position, facing forward or backward directly through the 180 arc locked in five