The Atlas BT72-LW17 Super CAL Bipod mounts directly to any 1913 style Picatinny rail via the included ADM-170-S Lever. Includes patented 45Adeg leg positions, non-rotating legs, optional quick change feet and "Hold What You Move Technology." It is comprised of 6061-T6 aluminum that is Mil-Spec Type III hard coat anodized and has heat treated stainless steel components. Available in black only. We choose to support a legend in the shooting sports by using the original KMW "Pod-Loc." FeaturesHeight Range: 5.875-11.125"Cant: 45 degreesPosition Button: 0.5" diameter5 leg positions: 0, 45, 90, 135 & 180 degreesNon-Rotating Legs: outer leg does not rotate around inner legWeight: 23.16 ouncesFootprint: 14.75-19.37"