The Atlas BT10-LW17 Bipod is constructed of T6061 Aluminum, hard anodized and is trusted in both the Law Enforcement and Military communities as well as one of the top bipods for precision rifle shooters. This bipod mounts directly to any 1913 style Picatinny rail (not included) using the 170-S lever (included). This bipod features built in pan and cant up to 15° +/- preload. The legs are stainless steel and are notched for a positive lock on your desired length (5 positions) and have a knurled grip area. The feet are removable by pressing the pin and can be replaced with any of the other Atlas feet (not included).