Primos Apex MagnaSwtich Tripod Head - The MagnaSwitch System enables you to swap quickly and securely between different rifles, optics, and cameras. The Apex features a friction adjustable ball joint for a smooth and stable 360-degree arc of fire with a wide range of elevation, depression, and cant adjustment. Turns your APEX MagnaSwitch Head into a super stable optics and camera platform in seconds Includes Classic Rifle Adapter