Counter sunk, locking cross bolt that helps eliminate the possibility of snags; The clamping side bar is recessed into the overall body of the adapter to provide a smooth overall appearance; Solid clamping engagement even on undersize or worn dovetail rails; Adapter makes full surface contact with the Harris bipod interface which assures a tight fit; Utilizes a standard swivel stud interface that is locked in a stationary position; Easy to install adapter is very lightweight, weighing in at only 2 ounces; Overall Length: 2 1/4"; All edges have been de-burred for the shooters' safety; Solid billet 6061 T6 aluminum construction; Type III hard anodized in a matte black, non-reflective finish per mil-spec